Features: A mini digital temperature controller. With large and clear LCD display for better readability. Wide temperature measuring range. Heating and cooling control. Temperature calibration function. Delay protection function. All parameters can be set to default setting after short circuit. Alarm function, can set both a high and a low temperature limit, when the temperature is beyond the compass of limits, there will be alarm sound and the indicator flashes. Used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipments and other temperature-controlled systems. Specifications: Working voltage: 220V 10% Rated current: 10A power consumption: 3W Measurement range: -40 ~ 120 Measurement precision: 0.1 Measurement error: 0.5 Control range: -40~120 Control precision: 0.1 Working temperature:20~70 Temperature sensor: NTC 25=10K B3435 Item size: 8.5*7.5*3.5cm / 3.4*3*1.4in Item weight: 162g / 5.7oz Package size: 11*8.5*4.3cm / 4.3*3.4*1.7in Package weight: 195g / 6.87oz Package Includes: 1 * Temperature Controller 1 * Temperature Sensor 1 * Instruction Manual