ITEM NAME:DC 12V Thermostats Temperature heat sensor switch -50 ~ 110 ° C E4Y1 DC 12V Thermostats Temperature heat sensor switch -50 ~ 110 ° C E4Y1 Model: W1209 Size: 48 * 40 mm Temperature control mode: ON / OFF; Temperature range: -50 ~ 110 ℃ It can be used as a temperature controller (liquid, space) It is possible to use other control heating(Box, equipment, water, pet room, air