Features:Thermostat supplies single heating contact output or single cooling output contact To get room temperature via sensor and compare with thermostat setting temperature, achieve close and open of output contact,switching temperature difference is 0.5 .With large LCD screen display, easy to read even in the dark.This digital thermostat features high sensitivity and high accuracy.Generous appearance, and sample to operate.Specifications:Power: 2 * AA alkaline batteries (not included)Display accuracy: 0.5 or 1FProbe sensor: NTC(10k)1%Contact capacity: 5AWorking environment temperature: 0~50C / 32~122FTemperature control range: 5 ~ 35 C / 41~95 FTemperature display range: 0 ~ 40 C / 32~99 FOutput: Switch relayInsulating condition: Normal environmentRunning program: Set per 1 week as a cycle Installation: Wall mounted or on battery seatSize: 8.5 x 8.5 cm / 3.35 x 3.35inWeight: 165gPackage included:1 x Temperature Controller (battery Not included)1 x Manual2 x ScrewNote:Please notethat the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering..