Equipped with high-precision sensors, the STC-1000 is a compact thermostat with accurate and stable performance, widely used in many fields. It is easy to use. Heating and cooling can be switched automatically, and the temperature is controlled by the difference set point. Designed with a flame-retardant ABS shell, it is safer and more reliable to use. <strong>Features:</strong> Made of premium ABS material, with fine workmanship, unique size, compact and lightweight. High compatibility, strong anti-interference ability, and high temperature resistance, stable and reliable. With intuitive operation interface and high-definition LCD display, easy to operate and read clearly. Temperature thermostat with high performance and functions. Multiple functions, including heating, cooling, temperature correction, delayed start, high temperature alarm, and low temperature alarm. The temperature measuring range of this temperature controller is -50 to 90, with an accuracy of ±1. It can be used for heating and cooling of household refrigerators, water heaters, greenhouse crops, incubators, supermarket fresh equipment and others.< br> <strong>Features:</strong> Model: STC-1000 Material: ABS Color: Black Power supply voltage: DC 12V / DC 24V / AC 110~220V <strong>( optional)</strong> Power supply frequency: 50/60 Hz Power consumption: <3W Relay contact capacity: Cool (10A/250V AC); Heat (10A/250V AC) Temperature measuring range: -50~+90 Resolution: 0.1 Accuracy: ±1℃ (-50℃~+70℃) Sensor error delay: 1 minute Item size: Approx. 8.5*7.6*3.4cm / 3.35*2.99*1.34in Item Weight: Approx. 95g / 3.35oz Package Size: Approx. 11*8.3*4.5cm / 4.33*3.27*1.77in Package Weight: Approx. 125g / 4.41oz <strong>Note:</strong> Please read the user manual carefully before use. Strictly distinguish between relay, sensor, and power supply interfaces Strictly distinguish the connection of the sensor and the power supply. The sensor drop wire and the power wire should be kept at a proper distance. <strong>Packing List:</strong> 1 * Temperature Controller 1 * NTC Sensor 1 * User Manual (English)