Specifications:Rated Voltage: AC 100-250V 50/60HzCurrent Load: 16AAccuracy: 1 / 33.8Temperature Range: 5-45 Consumption: Less than 2WTiming Error: Less than 1%Shell Material: PC (Flame Retardant)Sensors: Built in sensor for measuring room temperature and external sensor for high temperature protectionInstallation Distance: 60mmButtons: Contact ButtonsItem Size: 86 x 86 x 40mm / 3.4 x 3.4 x 1.6inItem Weight: 168g / 5.9ozColor: BlackMaterial: AcrylicPackage Contents:1 * ThermostatOnly 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.