Feature: 1. Full decoding dummy battery, can display electric quantity on camera, starting up do not report error, install battery and insert it directly for using, providing best power supply mode for long time shooting. 2. Using USB end plug, strong universality, can use power bank power supply, plug and play, very convenient. 3. Adopts multiple protection technology, such as short circuit protection, overvoltage protection and overcurrent protection, ensuring absolute safety during using process. 4. Using spring wire length 30-100cm, wider using environment, no winding. 5. Made of high quality ABS material, sturdy, durable and long service life. Specification: Condition: 100% Brand New Item Type: Dummy Battery Model: FW50 Material: ABS Color: Black Fitment: for Sony A7/A7R/A7S/A7II/A7S2/A7M2/A7R2/A6500/A6300/A6000/A5100/A5000/A3000/NEX5/NEX7/DSC-RX10 Camera Quantity: 1PCS DC Cable Input End Specification: 5.5x2.1mm, Female Plug, DC Cable Inner Positive Outer Negative Input Voltage: 2A 5V 2A Output Voltage: About 7.9V Suitable Power Supply: Mobile Power Pack Weight: Approx. 50g Cable Length: Approx. 30-100cm/11.81-39.37inch . Package List: 1 x Dummy Battery Note: Instructions for use: Please use devices with sufficient power of 5V 2A or above (charger, power bank, mobile power supply), otherwise the camera below 2A will not bring the camera, please do not use the computer USB and automatically recognized mobile power supply, because the power is insufficient, Will not bring the camera. It is recommended to use a brand manufacturer's mobile power supply that outputs more than 5V 2.1A.