ITEM NAME:DC 12V/24V digital LED Thermostat Temperature Controller -9-99C + Temp Sens A1L4 DC 12V/24V digital LED Thermostat Temperature Controller -9-99C + Temp Sens A1L4 Built-in 3 LED display windows,start temp,reatime temp and stop temp. Switch to heating or cooling mode automatically. Relay output separately,can control 1000W device. Control temp range:-9-99C Power requirement:DC12V, DC24V Material:PC color: blue Relay output:1 way,rated current:10A Measuring accuracy: 1C Control accuracy:1C Controller Size:78x50mm Temp sensor:NTC(3950 10k 1%),waterproof , length:0.5m Environmental requirement:-10-60C,humidity:20-85% Included: 1 x Temp Controller 1 x NTC Temp sensor Note: Light shooting 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.