Features: A mini temperature controller. With large and clear LED display for better readability. Wide temperature measuring . 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: ±10% Rated current: 10A power consumption: ≤3W Measurement : -58~194 Fahrenheit Measurement : 0.1 Fahrenheit Measurement error: ±1 Fahrenheit Control : -58~194 Fahrenheit Control : 1 Fahrenheit Working temperature: -30~150Fahrenheit Temperature sensor: NTC 77 Fahrenheit=10K B3435 Item size: 8.5*7.5*3.5cm / 3.4*3*1.4in Item weight: 160g / 5.6oz Package size: 11*8.5*4.5cm / 4.3*3.4*1.7in Package weight: 194g / 6.8oz Package Includes: 1 * Temperature Controller 1 * Temperature Sensor 1 * Instruction Manual