--- product_id: 610544381 title: "HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof" brand: "hiletgo" price: "504 kr" currency: DKK in_stock: false reviews_count: 5 category: "Hi Letgo" url: https://www.desertcart.dk/products/610544381-hiletgo-2pcs-w1209-with-case-12v-dc-digital-temperature-controller store_origin: DK region: Denmark --- # 12V DC power efficiency 10A relay for heavy loads 0.1°C precise control HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof **Brand:** hiletgo **Price:** 504 kr **Availability:** ❌ Out of Stock ## Summary > 🌡️ Take control of your climate like a pro — precision meets power! ## Quick Answers - **What is this?** HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof by hiletgo - **How much does it cost?** 504 kr with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/610544381-hiletgo-2pcs-w1209-with-case-12v-dc-digital-temperature-controller) ## Best For - hiletgo enthusiasts ## Why This Product - Trusted hiletgo brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Embedded MCU:** Low power consumption with intelligent automatic power memory for seamless operation. - • **Robust 10A Relay Switch:** Control high-power devices confidently with a durable one-channel relay rated for 10 amps. - • **User-Friendly Interface:** Intuitive menu navigation with long-press and +/- buttons for quick, hassle-free setup. - • **Pinpoint Precision Control:** Maintain your environment within 0.1°C accuracy for flawless temperature management. - • **Waterproof Protective Case:** Durable casing ensures reliable performance even in challenging environments. ## Overview The HiLetgo W1209 Digital Temperature Controller is a compact, 12V DC device featuring an embedded MCU for intelligent, low-power operation. It offers ultra-precise temperature control with 0.1°C accuracy, a robust 10A relay for switching electrical loads, and a waterproof case for durability. Ideal for aquarium, HVAC, or industrial temperature regulation, it combines reliability with user-friendly controls and automatic power memory. ## Description International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Review: Air Conditioning Freezing Fixed! Review: Control anything electrical through the flow through relay (up to 10A) ## Features - 100% complete machine patch, wave soldering, stable performance, good consistency. - Embedded CPU chip (MCU), more intelligent, lower power consumption. - Automatic power set memory (MCU built-in EEPROM memory unit). - Control accuracy of 0.1 degrees Celsius. Have been tested for stability, consistency and reliability. - Tips: - long press set to get menu, starts at P0 - press +/- to get next P-parameter - press set to choose that parameter - press +/- to select the value you want for that parameter - press set to accept it - long press +/- = reset to default - power-out does reset to default - default temp set is 34.5C ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07VDRGK9F | | Best Sellers Rank | #234,310 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #1,403 in Temperature Controllers | | Brand | HiLetgo | | Brand Name | HiLetgo | | Colour | With Case | | Country of Origin | USA | | Customer Reviews | 4.1 out of 5 stars 416 Reviews | | Display Type | LED | | Item Weight | 0.09 Kilograms | | Manufacturer | HiLetgo | | Material | Plastic | | Material Type | Plastic | | Voltage | 12 Volts | ## Product Details - **Colour:** With Case - **Brand:** HiLetgo - **Voltage:** 12 Volts - **Material:** Plastic - **Item Weight:** 0.09 Kilograms ## Images ![HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof - Image 1](https://m.media-amazon.com/images/I/61zhEBHUK+L.jpg) ![HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof - Image 2](https://m.media-amazon.com/images/I/71DLrkx-nML.jpg) ![HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof - Image 3](https://m.media-amazon.com/images/I/51ACIP2e6dL.jpg) ![HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof - Image 4](https://m.media-amazon.com/images/I/51pdgkBJc3L.jpg) ![HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof - Image 5](https://m.media-amazon.com/images/I/51QcbZqUZjL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Air Conditioning Freezing Fixed! *by J***S on 3 October 2025* ### ⭐⭐⭐⭐⭐ Control anything electrical through the flow through relay (up to 10A) *by E***M on 27 June 2023* ### ⭐⭐⭐⭐⭐ Works as expected, great value *by C***K on 19 December 2025* ## Frequently Bought Together - HiLetgo 2pcs W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Temp Control Module Switch with 10A One-Channel Relay and Waterproof - KEYFANCLUB 2-Pack 120mm Fan DC 12V Computer Fan 120mm x120mm x 25mm 2-Pin High Performance Cooling Fan - KEYFANCLUB 2-Pack 80mm x 25mm DC 12 Volt Fans 2-Pin Brushless Replacement Cooling Fan --- ## 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.dk/products/610544381-hiletgo-2pcs-w1209-with-case-12v-dc-digital-temperature-controller](https://www.desertcart.dk/products/610544381-hiletgo-2pcs-w1209-with-case-12v-dc-digital-temperature-controller) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-05-15*