Slim USB Charger Features: 1. Slim and Portable Design, Easy to Carry 2. LED Smart Charging Status Display . 3. Built With Multiple Circuit Protection ( Over-Charging,Over Current, Over Voltage, Short-Circuit, High-Temperature, ). 4. Designed to Quickly and Safely Charge Digital Camera and Camcorder Battery. Specifications: 1. Input Voltage:DC 5V+/-5% 2. Output Voltage:DC 4.2V/8.4V +/-0.05v, 600mAh (MAX). 3. Dimensions:3.3*1.8*0.6 in 4. Work Temperature : -20-+60 5. Condition: New, 1 Year Warranty! Package includes: 1 x Slim USB Charger 1 x USB Cable(Length: 12in) Compatible with Battery Code: Nikon EN-EL12 Rechargeable Li-ion Battery Any Questions Please Feel Free to Contact us, We Focus on Providing Quality Power Products and Excellent Customer Service.