3Pcs DC DC 1V 5V To 5V 500mA Boost Converter Step Up Power ModuleFeature Input voltage of DC 1V 5V output 5V DC voltage is stable the input to the output current of 500 600MA with two AA batteries a single AA battery power supply output current 200 ma about for mobile phones camera single chip digital products High conversion efficiency up to 96 Ultra small size installed in a variety of small equipmentWith working lights Specification Input voltage DC 1V 5VOutput voltage DC 5VOutput Current 500mAPCB size 17 55mm 25 22mm 5 85 mmEn bloc Size 17 55 32 53 8 3mmWeight 14gNote No USB port Package included 3 x Boost Converter Power Module