Feature:
Input voltage: USB port 5V 2A (must be greater than 2A current)
Output voltage: 7.4V-8.4V
Product material: Shell ABS
Product size: 46*32*19mm
Product weight: 50g
Cable Length: Up to 1.5m
Power Supply: Power bank, mobile power and charging plug (not included)
Protection: Short circuit protection, over-voltage protection and over-current protection.

Compatible with：
For Sony NEX 3, NEX 5, NEX 7 series, DSC-RX10, DSCRX10/B WW808143,
For Sony α7, α7R, α7S, α7II, α3000, α6000
This coupler also fits for below cameras. Please note below camera requires better / higher perfermance power source. If it can not works with DC 5V 2A power source, please kindly use DC 5V 3A-4A power source.
For Sony Alpha A7000, A6500, A7 II, A7R, A7R II, A7S, A7S II, and more models Compatible with dummy battery NP-FW50.

NOTE:
In order to make your camera work better,please use a high-quality mobile power,
mobile power bank is output guarantee of at 5V 2 AMP to 4 AMP current.
When the power is not enough, will not start or can not shoot properly,
Please select a larger current of at least 2.4A, DC 3 Amps or more is better.
Do not use the computer USB supply for the camera,because most computer USB 2.0 output voltage is 5V,But the current is less than 500mA.
Some mobile phone / tablet usb charger with identification resistance, can not identify the camera, the current can not meet the requirements, it is not recommended.

Package included:
1* NP-FW50 Power Dummy Battery
1* USB Cable