5Pcs 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: 5 x Boost Converter Power Module