Description: Alarm and snooze function Calendar function: Month, Date, Weekday display Indoor temperature display (F/C) Blue backlight for easy viewing in dark Low battery indicator Powered supply: 2*AA Battery(Not Included) Specification: Size(LxTxW): Approx.93x36x93mm/3.66x1.41x3.66inch Material: ABS Plastic Temperature Range: -0 °C -- +50 °C ( -32 °F -- +122 °F ) Temperature Accuracy: ±1 °C (1.8 °F) Temperature Resolution: 0.1 °C (0.1 °F) Powered By : 2 x AA Battery (not included) Package Includes: 1 Piece Clock 1 Piece User Manual Note: Due to the different display and different light, the picture may not reflect the actual color of the item. Thanks for your understanding