... D): 72 x 72 x 57 (GS, UL) 24 hour digital timer :(GS, UL) approval1, Real time ... display2, 24 hours and 7 days programming3, Multiple group setting for ... switch6, Recall function7, ON or OFF indicator8, Up to 24 hours countdown setting9, Summer / Winter time changeover10, Program reset11 ... AC 110V - 125V / 60Hz or 220V - 240V / 50Hz 24 hour digital timer (GS, UL)