Features: A mini temperature controller. With large and clear LED 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. Can be used for domestic freezer, water tanks, refrigerator, industrial chiller, boiler, steamer, industrial equipments and other temperature-controlled systems. Specifications: Working voltage: 12V ±10% Rated current: 10A Power consumption: ≤3W Measurement range: -40~120 Celsius degree Measurement precision: 0.1 Celsius degree Measurement error: ±0.5 Celsius degree Control range: -40~120 Celsius degree Control precision: 1 Celsius degree Working temperature:20~70 Celsius degree Temperature sensor: NTC 25 Celsius degree=10K B3435 Item size: 8.5*7.5*3.5cm / 3.4*3*1.4in Item weight: 87g / 3oz Package size: 11*8.5*4.3cm / 4.3*3.4*1.7in Package weight: Approx. 125g / 4.4oz Package Includes: 1 * Temperature Controller 1 * Temperature Sensor 1 * Instruction Manual