Product parameters: Product name: NP-FW50 Dummy battery + AC-PW20 power adapter Product model: FW50-AC Input voltage: AC100V-240V/50-60HZ Output voltage: 8V (0.4V) Output current: 3A Total product len more→gth: 400cm DC port size: DC5.5 x 2.1mm (positive inside and negative outside) Applicable power supply: AC AC100V-240V power supply Decoding : full decoding, power display on the camera Applicable models: For A7, A7R, A7S, A7M, A7II, A7S2, A7M2, A7R2, A6500, A6400, A6300, A6100, A6000, A5100, A5000, A3000, NEX5, NEX7, -RX10, A33, A35, A37, A55... Product features: It is used to replace the real battery, the shackles of the battery, extend the battery life for camera , bid farewell to the problem