Specifications: Rated Voltage: AC 100-250V 50/60Hz Current Load: 16A Accuracy: 1 / 33.8 Temperature Range: 5-45 Power Consumption: Less than 2W Timing Error: Less than 1% Shell Material: PC (Flame Retardant) Sensors: Built in sensor for measuring room temperature and external sensor for high temperature protection Installation Distance: 60mm Buttons: Contact Buttons Item Size: 86 x 86 x 40mm / 3.4 x 3.4 x 1.6in Item Weight: 168g / 5.9oz Color: Black Material: Acrylic Package Contents: 1 * Thermostat Only the above package content, other products are not included. Note: Light 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.