... to 5days Voice Module SpecificationInput Voltage3V(2pcs 1.5V batteries) , 4.5V(3pcs 1.5V batteries) or 6V(4pcs 1.5V batteries).Output Power0.1W – 0.5WElectric ... (depend on the quantity)BatteryAG10/AG13/AA/AAA, 2pcs - 4pcsAG10(1.5V, 80mAh); AG13(1.5V, 160mAh)AA(1.5V, 750mAh); AAA(1.5V, 300mAh)Switch OptionsPull-tab, press, on ...