Features: _x000D_ Thermostat supplies single heating contact output or single cooling output contact _x000D_ _x000D_ 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 ._x000D_ _x000D_ With large LCD screen display, easy to read even in the dark. _x000D_ This digital thermostat features high sensitivity and high accuracy. _x000D_ Generous appearance, and sample to operate. _x000D_ _x000D_ _x000D_ Specifications: _x000D_ Power: 2 * AA alkaline batteries (not included)_x000D_ Display accuracy: 0.5 or 1F_x000D_ Probe sensor: NTC(10k)1%_x000D_ Contact capacity: 5A_x000D_ Working environment temperature: 0~50C / 32~122F_x000D_ Temperature control range: 5 ~ 35 C / 41~95 F_x000D_ Temperature display range: 0 ~ 40 C / 32~99 F_x000D_ Output: Switch relay_x000D_ Insulating condition: Normal environment_x000D_ Running program: Set per 1 week as a cycle _x000D_ _x000D_ Installation: Wall mounted or on battery seat_x000D_ Size: 8.5 x 8.5 cm / 3.35 x 3.35in _x000D_ Weight: 165g _x000D_ _x000D_ _x000D_ Package included: _x000D_ 1 x Temperature Controller (battery Not included) _x000D_ 1 x Manual _x000D_ 2 x Screw_x000D_ _x000D_ _x000D_ Note:_x000D_ _x000D_ Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.