This is a digital thermostat module. It is made of material, to use. With embedded , machine mounting, wave soldering, it can detect temperature and set temperature easily and stably. Features -Color:Multi -Material: Electronic components -Size: 6.00X4.50X1.50cm/2.36X1.77X0.59in - Control range: -50~110 Celsius degree - Accruracy: 0.1 Celsius degree - Input NTC10K waterproof sensor L=0.5M - High temperature alert: -49~110 Celsius degree - Input voltage: DC 12V - Output: relay, 10A max - Return difference: 0.1-30 Celsius degree - Relay startup: 0-10minute - Temperature correction: -10~10 Celsius degree - Dual digital display to show detecting temperature and set temperature. - With buttons to among settings and change set temperature. - With heating and cooling mode, wide application. - Replace old or broken temp controller module with a new one. - With waterproof sensor, easy and to use. Package list: 2 x Digital Thermostat Module