--- product_id: 726779869 title: "Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display)" price: "£8.19" currency: GBP in_stock: true reviews_count: 2 url: https://www.desertcart.co.uk/products/726779869-temperature-controller-12v-500c-dc-12v-led-digital-thermostat-electronic store_origin: GB region: United Kingdom --- # Auto cooling/heating switch Dual voltage 12V/24V support Precise temp control ±0.1°C Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) **Price:** £8.19 **Availability:** ✅ In Stock ## Summary > 🌡️ Stay cool, stay warm, stay ahead — control your climate like a pro! ## Quick Answers - **What is this?** Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - **How much does it cost?** £8.19 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/726779869-temperature-controller-12v-500c-dc-12v-led-digital-thermostat-electronic) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Safety First:** Set high/low temp limits with built-in alarms to prevent costly overheating or freezing mishaps. - • **Smart Auto Mode:** Seamlessly toggles between cooling and heating to maintain your ideal environment effortlessly. - • **Custom Calibration:** Fine-tune temperature settings to your exact needs for ultimate control and reliability. - • **Powerful & Versatile:** 10A relay supports high-power loads, compatible with 12V and 24V systems for flexible installation. - • **Precision at Your Fingertips:** Digital LED display with real-time temperature readout ensures you never miss a beat. ## Overview This 12V/24V digital thermostat features a microcomputer-controlled LED display for precise temperature management up to 500°C. It offers selectable cooling or heating modes, automatic switching, and customizable high/low temperature limits with alarms to safeguard your setup. Designed for high-power loads with a 10A relay, it’s ideal for aquarium or industrial temperature control, delivering reliable, real-time monitoring and calibration capabilities. ## Description 1. brand new and high quality.2. Can select cooling or heating working mode.3. Set highest/ lowest upper limit temp to avoid accident.4. Automatically start cooling or heating for constant temperature.5. Temperature calibration, you can calibrate temp according to requirement.Specification:Features: brand new and high quality.Can select cooling or heating working mode.Set highest/ lowest upper limit temp to avoid accident.Automatically start cooling or heating for constant temperature.Temperature calibration, you can calibrate temp according to requirement.High temp alarm, when measure temp reach to the setting temp, controller will alarm.Specifications:Material: electronic Voltage:DC 12V/24V /110-220V(Optional)Power:120/240/1500W (Optional)Weight: Approx.48g/1.7ozPackage list:1 x Digital Thermostat Temperature Alarm Controller SensorCircuit connection: refer to the circuit diagram to connect the power supply and load. At this time, the digital tube (top) displays the actual measured temperature value, and the digital tube (bottom) displays the preset temperature. If the temperature sensor is missing or damaged, the digital tube will display -- --, and the buyer must check whether the temperature sensor is installed before using it.The temperature control output is a 10A relay, which can meet various high-power loads. Please make sure the circuit is correct.Indicator light, digital tube status:Indicator light: off means the relay is disconnected, and on means the relay is closedDigital tube: display -- --,1. Check whether the temperature sensor is missing or damaged2. High temperature of heating mode3. Low temperature in refrigeration modeThe relay in mode is automatically disconnected.Use of keys: the thermostat panel has three keys, keys + keys - SET keysKey Review: Junk - Piece of junk. No instructions. Found them online. Switch does not function. Don’t waste your money on this garbage. Review: No Instructions - Would help to have instruction or a YouTube ## Features - Temperature Controller 12V 500C Brand New And W3230 Microcomputer Temperature Controller - Dc 12V Led Digital Thermostat Can Select Cooling Or Heating Working Mode.. Digital Display Temperature Control Switch - Temperature Controller 12V 500C Set Highest Lowest Upper Limit Temp To Avoid Accident.. Temperature Controller - 3.5 Mm Hexagonal Socket Automatically Start Cooling Or Heating For Constant Temperature.. Microcomputer Temperature Control Device - Temperature Controller 12V Temperature Calibration, You Can Calibrate Temp According To Requirement.. Digital Temperature Controller ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 2.4 out of 5 stars 2 Reviews | ## Images ![Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - Image 1](https://m.media-amazon.com/images/I/51zFUW5SHYL.jpg) ![Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - Image 2](https://m.media-amazon.com/images/I/71K2ktt4z9L.jpg) ![Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - Image 3](https://m.media-amazon.com/images/I/61FC-kWB+YL.jpg) ![Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - Image 4](https://m.media-amazon.com/images/I/512pimhoBtL.jpg) ![Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - Image 5](https://m.media-amazon.com/images/I/51XCDU7a5fL.jpg) ## Customer Reviews ### ⭐ Junk *by R***N on March 22, 2025* Piece of junk. No instructions. Found them online. Switch does not function. Don’t waste your money on this garbage. ### ⭐⭐⭐⭐ No Instructions *by A***R on August 4, 2024* Would help to have instruction or a YouTube ## Frequently Bought Together - Temperature Controller 12V 500C Dc 12V Led Digital Thermostat Electronic W3230 Led Digital Temperature Controller Thermostat Switch Sensor Meter(Dc12V) (24V red and Blue Display) - Fielect Gear Motor DC 6V 50 RPM High Torque Electric Motor Micro Speed Reduction Geared Motor Eccentric Output Shaft for Car Robot Model DIY Engine - Twidec/6Pcs Rocker Switch 3 Pins 2 Position ON/Off AC 6A/125V 10A/250V SPST Red LED Light Illuminated Boat Rocker Switch Toggle KCD1-5-101N-R --- ## 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.co.uk/products/726779869-temperature-controller-12v-500c-dc-12v-led-digital-thermostat-electronic](https://www.desertcart.co.uk/products/726779869-temperature-controller-12v-500c-dc-12v-led-digital-thermostat-electronic) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-30*