Fit Wave Smart - Set of 10 Radio-controlled digital desk clock Rhythm 8RZ166SR03 (White) Also displays temperature, humidity, and the Rokuyo (Japanese lunar calendar). Digital radio-controlled alarm clock Width: 120mm, Depth: 54mm, Height: 77mm Weight: 170g Power: AA manganese batteries x 2 Functions: Calendar display, temperature display, humidity display, Rokuyo display, dial illumination light, electronic alarm, snooze function, alarm auto-stop, radio wave reception off function