ITEM NAME:10PCS PFM Control DC-DC Converter Step Up Boost Module 600MA USB Charger 0. R5P7 10PCS PFM Control DC-DC Converter Step Up Boost Module 600MA USB Charger 0. R5P7 color:green Input voltage: 0.9V ~ 5V Output voltage: 5V Output Current: 600mA PCB size: 25*18mm 1. input any DC voltage of 0.9V ~ 5V, output 5V DC voltage is stable, the input to the output current of 600MA with two AA batteries, a single AA battery power supply output current 200~300MA about for mobile phones camera, single-chip, digital products supply. 2. with USB female versatile 3, high conversion efficiency, up to 96% 4. ultra-small size, installed in a variety of small equipment 5. with working lights Material:metal Package Include: 10PCS DC-DC Converter Step Up Boost Module Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Output Current: 600mA. 10PCS DC-DC Converter Step Up Boost Module. 3, high conversion efficiency, up to 96%. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.