1. Simultaneously display the measured temperature, start temperature and stop temperature. 2. Digital tube LED display, clear reading, 4 buttons, easy to operate. 3. The front line has a plug, plug and play design, easy to use. 4. Heating/cooling mode, users can freely set the start/stop temperature. 5. It also has a temperature calibration function. Indicator light indicating working status. A wide range of applications, such tanks, floor heating, greenhouses, etc. Product name: temperature controller Temperature measurement range: 9Celsius-99Celsius Control accuracy: 1Celsius Measurement accuracy: 0.1Celsius Resolution: 0.1Celsius Power supply: AC 110V-240V Refresh rate: 0.5s Temperature calibration range: (+ / -) 9Celsius Measurement input: (10k0.5%) waterproof sensor Output: One load of relay 10a Quiescent current: less than 40ma Pull-in current: less than 65ma Working environment: 10Celsius-60Celsius, humidity 20%-85%. Working : heating or cooling Power cord length: about 150cm Note: This controller cannot be used with air conditioners and compressors. Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. colour:White Material:ABS size: 20 x 13 x 5.5cm Voltage: AC110V-240V Package Contents: 1 x Temperature controller Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.