... cell back up battery for power reserve more than 100 hours. NiMH is an environmental protection free green battery * Push button ... the house* Count down function, from 1 min to 9 hours 59 minutes Specifications: * Input range: 110-125VAC or 220- ... hours after fully charge Approval: CE EMC, TUV GSPlug available: Germany, France, Italy, UK, USA, Australia, and Switzerland Digital Timer 7 Days/24 hours ...