... ), billboard, electrical appliances, broadcast equipments etc., the digital timer switch is within rechargeable battery, in 1.2V/40Ma, high-accuracy ... formatBattery backupPower Supply: line voltage 12V DC/AC, 24V DC/AC, 110V AC or 240V AC 50/60 HzContact Rating: 16A resistive8A ... minute Technical Data: Supply Voltage 120 VAC,220VAC,24VDC/AC,12VDC/AC, other voltage on request Frequency 45 ~ 60Hz Own ...