This Temperature Controller is an excellent and convenient multifunction device for controlling temperature in Aquariums. The stability of aquarium temperature is one of the crucial factors that contributes to the health and safety of your fish.By utilizing the temperature controller, you can provide an environment with optimal temperature for your fish. This advanced temperature controller can measure and control temperature from -50 to 110 °C.This device is also suitable for Laboratories,Gardening,livestock and other temperature-controlled systems.The majority of machine components using SMT placement machines, sophisticated technology.Temperature Measuring Range: -50 ~ 110 deg C Control temperature range: -50 ~ 110 deg C Temperature measuring difference: ±0.5 deg C Resolution: 0.1 deg C Accuracy: ± 1 deg C (-50 ~ 70 deg C ) Sensor Type: NTC (10K/3435)Working voltage : 110V~120V AC Power consumption: < 3W Relay contact Current: Rated 5AData retention: Yes Working temperature: 0 ~ 50 deg C Storage temperature: -10 ~ 60 deg C About size: 86 x 71 x 29 mm ( L*W*H ) Install Window Size: 70.5 x 28.5 mm