Working For Canon EOS 5D2 5D3 5D4 6D 6D2 60D 7D 7D2 70D 80D 90D 5DSR EOSR Connecting a power bank when shooting a long time outdoors to provide uninterrupted power supply. USB Input: 5V, 2A-4A. Featured with over-charging, short-circuit, high-temperature, and surge protection. 100% safety protection, never hurt your camera: Bulid with premium smart IC chip inside, we provide your device fully protection from being over-charging, short-circuiting, overheating or overloaded. Support most of USB power adapters with output voltage of 5V/2A, such as for powerbanks, V-mount batteries, Anton Bauer batteries, F950/F970 battery plates and other power adapters. The device comes with a booster module Product model: E6-USB Input voltage: USB 5V-5.5V Output voltage: 7.2V-8.4V Total product length: 200cm DC port size: 5.5x2.1mm (positive inside and negative outside) Applicable power supply: power bank/mobile power Decoding method: full decoding, battery display on the camera colour: black Material: ABS Package Contents: 2 x LP-E6 DC Coupler 2 x USB Power Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.