AM/FM LED Alarm Clock Radio. 0.6" LED Digital 12H or 24H Time Display. (RED,GREEN & 4 Different Combined Color Optional) . Wake To Buzzer Or Radio. Snooze& Sleep function . Power Sources ~AC. Backup battery:DC 9.0V (1PCS*PP-3, Excluded). Unit Dimension: 10.6x14x5.8cm.