--- product_id: 175605298 title: "Automotive Digital Timer Relay Board DC 12V 20A 1500W Module with Dual Display, Timing Relay Switch ON-Off Control Support Cycle of Time Delay for Car Vehicle (DC 12V)" brand: "umlife" price: "84 zł" currency: PLN in_stock: true reviews_count: 8 category: "Umlife" url: https://www.desertcart.pl/products/175605298-automotive-digital-timer-relay-board-dc-12v-20a-1500w-module store_origin: PL region: Poland --- # 0.001s to 999h precision timer Dual LED display for real-time & set values 12V DC power, 20A max current Automotive Digital Timer Relay Board DC 12V 20A 1500W Module with Dual Display, Timing Relay Switch ON-Off Control Support Cycle of Time Delay for Car Vehicle (DC 12V) **Brand:** umlife **Price:** 84 zł **Availability:** ✅ In Stock ## Summary > ⏱️ Upgrade your ride’s timing game—because precision waits for no one! ## Quick Answers - **What is this?** Automotive Digital Timer Relay Board DC 12V 20A 1500W Module with Dual Display, Timing Relay Switch ON-Off Control Support Cycle of Time Delay for Car Vehicle (DC 12V) by umlife - **How much does it cost?** 84 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/175605298-automotive-digital-timer-relay-board-dc-12v-20a-1500w-module) ## Best For - umlife enthusiasts ## Why This Product - Trusted umlife brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Display Clarity:** Red and blue LED readouts let you monitor actual vs. preset times at a glance—no guesswork needed. - • **Versatile Cycle Modes:** Supports multiple timing modes including cycle, delay, and intermittent—tailor it to your unique application. - • **Powerhouse Performance:** Handles up to 20A and 1500W, perfect for demanding vehicle systems without breaking a sweat. - • **Precision Timing Mastery:** Set delays from 1 second up to 999 hours—ultimate control for your automotive projects. - • **Effortless Setup & Memory:** Intuitive button controls with automatic data retention ensure your settings stick, even after power loss. ## Overview The UMLIFE Automotive Digital Timer Relay Board is a robust DC 12V module designed for precise timing control in automotive and DIY applications. Featuring a wide timing range from 1 second to 999 hours, dual LED displays for real-time and set values, and a powerful 20A/1500W relay, it supports multiple timing modes with easy button setup and non-volatile memory. Ideal for vehicle systems like hot water recirculation, cycle timing, and delay controls, this compact panel-mount module delivers reliable, customizable automation for the modern driver. ## Description Parameter: Timing Range: 0-999s,0-999m,0-999h Supply Voltage: DC 12V Installed Size: Approx.72*39*23mm(L*W*H) Power dissipation: <0.6W Maximum Power: Working current-20A(Max), Power-1500W(Max). Product Functions: Timing, Delaying, Time Cycling & etc. Application: 1: Used for timing, delay, cycle timing, intermittent timing and other occasions; 2: Used for raft fishing machine, slow-down machine; 3: Used for timer switch, timer alarm control panel. Features: Double LED displays, so you can set two timing time T1 and T2.It will very convenient to customers. Three timing time for choice: 0-999s,0-999min and 0-999h. You could set the timing mode as your requirement. Six operating modes for your choice. Review: Great timer for RV hot water recirculation plumbing - Great timer! Works well for a hot water recirculation system in a camper. I wired a doorbell button (momentary switch) to activate the timer to circulate hot water through the plumbing. I have the timer wired to shut off and remove power from itself after running for a set number of seconds. This prevents unnecessary draw on the RV batteries when the timer is not in use. Operation: 1. Momentary switch energizes timer circuit and included board-mounted relay, starts countdown, and retains power to its own circuit after momentary switch is released. 2. The timer circuit counts down to zero, cuts power to the relay and therefore to its own circuit stopping all power draw from the timer. Cycle repeats when timer is started with the momentary switch. Timer wiring legend (see photo): 12V+ ---Purple = 12vdc positive to power timer---tied to power supply +12vdc 12V- ---Green = 12vdc negative to power timer---jumper to yellow S1 ---Orange = 12vdc negative to supply side of relay---tied to power supply -12vdc (chassis ground) S2 ---Yellow = 12vdc negative to load side of relay---jumper to green Momentary Switch (doorbell button): Pole 1: Orange---(S1) Pole 2: Green and Yellow (12v- and S2) tied together Notes: Timer has non-volatile memory and retains settings after power loss. When activated, the relay on the timer circuit will pass thru whatever is attached on terminal S1 to terminal S2. I chose to use chassis ground (12V-) to activate the timer and water recirculation system. When timer counts down to 0, the relay is released and power to timer circuit is turned off (loss of ground). I only tested the countdown program that was needed for my recirc system. The terminal block is flimsy, but the timer was nine bucks, case included, and it works. I've attached photos of the circuit board product as of 2-26-2021 and a photo of my wires. Some assembly required. My unit came with the membrane front and the circuit board not fully snapped into the case. That's actually a good thing. They must know that my first step was to take it apart and see what's inside. :) The unit is easily assembled (snapped into place) once inspected. :) Instruction sheet was included. For a video on how the timer works, search for this: 4TTvfSYy204 Review: does not set in tenths or hundredths of a second - I did not dislike the product. the time setting limitations were a deal breaker for me. The product func tioned well ,prompt service, it was mis ordered by me ## Features - ❃❃ Digital cycle timer delay module with time ranging from 1 second to 999 hours, available for various application.▲▲ (Notice: no out put Voltage) If you need the E-Manual or meet any other questions, pls contact us and we will send it to you!!! - ❃❃ The time relay delay Dual display: Red readout for practical value(PV); Blue readout for set value(SV);79mm*43mm-display panel; 71mm*40mm*24mm-cut out size. - ❃❃ Can be used in timing, delaying, cycle timing, intermittent timing, raft fishing machine, slow-down machine DIY, etc. - ❃❃ This relay switch is four-terminal wiring and setting by buttons, easy and simple for everyone to use it. - ❃❃ This 12V time delay relay can store the setting automatically. Please wait 6 seconds after finishing setting the data. The data set will be stored automatically after 6 seconds. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B081TQBNSH | | Best Sellers Rank | #222,397 in Automotive ( See Top 100 in Automotive ) #6 in Automotive Replacement Time Delay Relays | | Brand Name | UMLIFE | | Coil Voltage | 12 Volts | | Connector Type | Through Hole | | Contact Current Rating | 20 Amps | | Contact Material | Copper Alloy Or Silver Alloy | | Contact Type | Normally Open | | Current Rating | 20 Amps | | Customer Reviews | 4.0 4.0 out of 5 stars (148) | | Manufacturer | UMLIFE | | Maximum Switching Current | 20 Amps | | Minimum Switching Voltage | 12 Volts (DC) | | Mounting Type | Panel Mount | | Operating Time | 999 Hours | | Operation Mode | Automatic | | Part Number | 1 | | UPC | 701715431430 | | Wattage | 1500 watts | ## Product Details - **Connector Type:** Through Hole - **Contact Material:** Copper Alloy Or Silver Alloy - **Contact Type:** Normally Open - **Current Rating:** 20 Amps - **Mounting Type:** Panel Mount ## Images ![Automotive Digital Timer Relay Board DC 12V 20A 1500W Module with Dual Display, Timing Relay Switch ON-Off Control Support Cycle of Time Delay for Car Vehicle (DC 12V) - Image 1](https://m.media-amazon.com/images/I/617x0twAFkL.jpg) ## Available Options This product comes in different **Color** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great timer for RV hot water recirculation plumbing *by C***S on February 26, 2021* Great timer! Works well for a hot water recirculation system in a camper. I wired a doorbell button (momentary switch) to activate the timer to circulate hot water through the plumbing. I have the timer wired to shut off and remove power from itself after running for a set number of seconds. This prevents unnecessary draw on the RV batteries when the timer is not in use. Operation: 1. Momentary switch energizes timer circuit and included board-mounted relay, starts countdown, and retains power to its own circuit after momentary switch is released. 2. The timer circuit counts down to zero, cuts power to the relay and therefore to its own circuit stopping all power draw from the timer. Cycle repeats when timer is started with the momentary switch. Timer wiring legend (see photo): 12V+ ---Purple = 12vdc positive to power timer---tied to power supply +12vdc 12V- ---Green = 12vdc negative to power timer---jumper to yellow S1 ---Orange = 12vdc negative to supply side of relay---tied to power supply -12vdc (chassis ground) S2 ---Yellow = 12vdc negative to load side of relay---jumper to green Momentary Switch (doorbell button): Pole 1: Orange---(S1) Pole 2: Green and Yellow (12v- and S2) tied together Notes: Timer has non-volatile memory and retains settings after power loss. When activated, the relay on the timer circuit will pass thru whatever is attached on terminal S1 to terminal S2. I chose to use chassis ground (12V-) to activate the timer and water recirculation system. When timer counts down to 0, the relay is released and power to timer circuit is turned off (loss of ground). I only tested the countdown program that was needed for my recirc system. The terminal block is flimsy, but the timer was nine bucks, case included, and it works. I've attached photos of the circuit board product as of 2-26-2021 and a photo of my wires. Some assembly required. My unit came with the membrane front and the circuit board not fully snapped into the case. That's actually a good thing. They must know that my first step was to take it apart and see what's inside. :) The unit is easily assembled (snapped into place) once inspected. :) Instruction sheet was included. For a video on how the timer works, search for this: 4TTvfSYy204 ### ⭐⭐⭐⭐ does not set in tenths or hundredths of a second *by J***. on August 12, 2023* I did not dislike the product. the time setting limitations were a deal breaker for me. The product func tioned well ,prompt service, it was mis ordered by me ### ⭐⭐⭐⭐⭐ It does work! *by M***N on September 22, 2020* NOW That that's out of the way, One thing is, There is no INSTRUCTIONS! What you see on the image in the image bar doesn't explain that you have to jump the positive into the 3rd slot. Look up a YOUTUBE video! It took me awhile to figure this out without some instruction! ## Frequently Bought Together - Automotive Digital Timer Relay Board DC 12V 20A 1500W Relay Module with Dual Time Display, Timing Relay Switch ON-Off Control Support Cycle of time Time Delay for Car Vehicle (DC 12V) - 12V Relay Remote Switch Wireless RF Remote Control Switch 4 Channel Relay Module 433Mhz Transmitter Receiver Kit Universal Remote Controller for Lights Ceiling Fan Garage Door Opener Gate Car & More - CEC Industries EF32RL Flasher --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pl/products/175605298-automotive-digital-timer-relay-board-dc-12v-20a-1500w-module](https://www.desertcart.pl/products/175605298-automotive-digital-timer-relay-board-dc-12v-20a-1500w-module) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-26*