... 100~240V, 50/60Hz, 0.7AOutput: DC 8.4V,1AInternal battery Type: 1.5Ahr/8.4V Li rechargeable batteryOperating Time: 15 ... hours of stand-by time with a full battery.Recharge time: 5 hoursFeatures:1. Compact, small, light, easy for ... single group.6. Three kinds of power supply, AC Power, Build-in rechargeable Ni/MH battery and Common AA alkaline or rechargeable batteries7. Automatic ...