Features: *Refrigeration,defrosting, multi modes fan controlling optional; *Return differential control,temperature display resolution 0.1℃; *Multi alarm function. *Made of high-quality materials, more *Solid and , long service life *Easy to install and reliable to use Specifications: *Model:ETC-974 *Temperature measure range: probe :-50~110°C(-58~230°F) * PTC probe: -55~140°C(-67~284°F) * Display resolution:1°C/0.1°C(with the swithch mode between integer and decimal) * Accuracy: 1*:±0.5°C(-30°C~50°C);other±1°C * PTC: ±1°C(-30°C~50°C); other±2°C * Probe type: (-50°C~120°C) ;PTC(-50°C~150°C) * Power supply: 230VAC±10% ;50/60Hz * Rated current of the relays(refrigeration ,defrost and fan): 8A/220VAC * Use temperature: -5°C~55°C * Relative humidity: 10%-90%RH (not condensing) * Storage temperature: -30°C~85°C * Input: 2 sensor * Sensor lenth: 2M(include the probe) * Product length: 77*34.5*58mm * Mounting size: 71*29mm Part Name:thermostat Material:ABS Color:As picture shows Package Content: 1*thermostat 2* sensor 1* manual Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.