--- product_id: 749348704 title: "HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs" brand: "hiletgo" price: "18 Lei" currency: RON in_stock: false url: https://www.desertcart.ro/products/749348704-hiletgo-w1209-with-case-12v-dc-digital-temperature-controller-board store_origin: RO region: Romania --- # 12V DC power efficiency Waterproof relay for durability 0.1°C ultra-precise control HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs **Brand:** hiletgo **Price:** 18 Lei **Availability:** ❌ Out of Stock ## Summary > 🌡️ Take control like a pro—precision temperature mastery at your fingertips! ## Quick Answers - **What is this?** HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs by hiletgo - **How much does it cost?** 18 Lei with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/749348704-hiletgo-w1209-with-case-12v-dc-digital-temperature-controller-board) ## 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 - • **Waterproof Power:** 10A one-channel relay housed in a waterproof case—built to withstand real-world conditions. - • **Robust & Reliable:** Wave soldering and full mechanical patch ensure rock-solid performance and consistency. - • **Smart Memory Tech:** Built-in MCU with EEPROM remembers your settings—no need to reset after power loss. - • **Precision Perfected:** Experience razor-sharp 0.1°C temperature control for flawless results every time. - • **User-Friendly Interface:** Intuitive long-press menu navigation lets you customize parameters effortlessly. ## Overview The HiLetgo W1209 is a compact 12V DC digital temperature controller featuring a high-precision 0.1°C control range from -50 to 110°C. Equipped with a built-in MCU chip and EEPROM memory, it ensures intelligent, low-power operation with auto power set memory. Its waterproof 10A relay and durable construction guarantee reliable performance, making it ideal for professional and DIY temperature regulation tasks. ## Description International products have different conditions and are sold from overseas and may differ from local products such as suitability, age ratings, product language, labeling, instruction manual. ## Features - 100% full mechanical patch, wave soldering, stable performance, good consistency - Built-in CPU chip (MCU), more intelligent, lower power consumption - Auto Power Set Memory (MCU's built-in EEPROM memory unit) - Control Accuracy: 0.1℃ Tested for stability, consistency, and reliability - Tip: - Long press to display menu, starting with P0 - press +/- to get the next P parameter - press to select that parameter - press +/- to select the desired value for that parameter - Press to accept set - Long press +/- = Reset to default - Power out reset to default - Default temperature set is 34.5C ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | HiLetgo | | Part number | 3-01-1310 | | Item Weight | 91 g | | Package Dimensions | 12.8 x 8.31 x 3.71 cm; 91 g | | Size | S | | Color | Case included | | Style | Case included | | Voltage | 12 Volts | | Batteries Included | No | | Batteries Required? | No | ## Product Details - **Color:** Case included - **Brand:** HiLetgo - **Voltage:** 12 Volts - **Item Weight:** 0.09 Kilograms - **Manufacturer:** HiLetgo ## Images ![HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs - Image 1](https://m.media-amazon.com/images/I/61zhEBHUK+L.jpg) ![HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs - Image 2](https://m.media-amazon.com/images/I/71DLrkx-nML.jpg) ![HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs - Image 3](https://m.media-amazon.com/images/I/51ACIP2e6dL.jpg) ![HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs - Image 4](https://m.media-amazon.com/images/I/51pdgkBJc3L.jpg) ![HiLetgo W1209 with Case 12V DC Digital Temperature Controller Board Micro Digital Thermostat -50-110°C Electronic Temperature Control Module Switch with 10A One Channel Relay Waterproof 2pcs - Image 5](https://m.media-amazon.com/images/I/51QcbZqUZjL.jpg) ## Available Options This product comes in different **Color** options. ## 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.ro/products/749348704-hiletgo-w1209-with-case-12v-dc-digital-temperature-controller-board](https://www.desertcart.ro/products/749348704-hiletgo-w1209-with-case-12v-dc-digital-temperature-controller-board) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-06-06*