1400mAh Battery Power Supply

Specifications:
Material: Aluminum
Color:Black/Blue/Gray
Interfaces: RCA
Battery: 1400mAh
Power supply input voltage: RCA5V
Output voltage: 4.2-12V
Charging : 4 hours
Working hours: 4-8 hours
Size: Approx.32x67mm/1.25x2.63inches