Sell W1209 DC 12V hot and cold thermostat temperature switch controller best price

Specifications: Temperature range :-30-110 ° Dimensions: 48.5 * 40mm Temperature control mode: ON / OFF Resolution:When temperature is 0.1°, the resolution is -9.9~99.9, other temperature segment is 1° Control accuracy: 0.1 ° Hysteresis accuracy: 0.1° Refresh rate: 0.5S High temperature protection: 0-110° Supply voltage: DC 12V Static current: ≤ 35MA, attract current ≤ 65MA Output voltage: DC 12V Output power: 20A relay Measurement input: NTC (10K 0.5%) Waterproof Sensor Environmental requirements: -10 ~ 60 ° ,Humidity 20% -85% How to use: Connect the power supply and the load, you can supply to the controller, Is displayed as a measured temperature, Press the SET button, the display flashes the temperature, Press - to set the desired temperature, After setting press SET to confirm return, The controller automatically performs the relay by setting off! Lights, LED status descriptions: Indicator: Off The relay is switched off, Always indicate the relay is closed. LED: Shows LL is the sensor open, showing ?HH is out of range, the thermostat will be forced to close the relay, the display --- as high temperature protection.