20-90¡æ DC 12V Thermostat Digital Temperature Control Switch Temp Controller New Specification Model: W1701 Size: Approx. 1.44*1.44*0.71inch / 36.5 * 36.5 * 18mm Installation screw: M3 * 2 diagonal size 39.5mm Temperature range: 20-90 ¡æ Control Mode: Heating, Cooling, Heat dissipation Control Accuracy: 0.1 ¡æ Hysteresis Setting: 1-10 ¡æ Refresh Rate: 0.5S Supply Voltage: DC 12V Output Voltage: DC 12V Output Power: Max 200W Static Current: ¡Ü 3MA, attract current ¡Ü 60MA Temperature Probe: 10K thermistor B25 = 10K 3950 0.5M Waterproof Sensor Environmental Requirements: -10 ~ 60 ¡æ Humidity 20% -85% Can be used in the (liquid, mold, space) and other control heating, Also can be used (box, the device, water, pet rooms, air conditioning) and other control refrigeration. Package included 1x digital temperature control switch Instructions£º Please connect the circuit according to the wiring diagram, power supply is DC12V (+12 V is positive , and GND is negative). The probe is connected to the object you want to control. For heating: Please connect 12V heater to the - H + For cooling: Please connect cooler to the + C - For heat-sinking: Please connect cooler or heatsink connected to the + C - Indicator Status : the red light is on indicating the cooling (+ C-) output, and the light is off indicating heating (-H +) output