Product model:E6-USBInput voltage: USB 5V-5.5VInput current: 2A-4AOutput voltage: 7.2V-8.4VTotal product length: 200cmDC port size: DC5.5 x 2.1mm (positive inside and negative outside)Applicable power supply: power bank/mobile powerDecoding method: non-decoding, the battery does not display on the cameraApplicable models: Canon/Canon EOS 5D2,5D3,5D4,6D,6D2,60D,7D,7D2,70D,80D,90D,5DSR,R,R5,R6...Instructions for use:Please use equipment with sufficient power 5V 2A and above (charger, power bank, mobile power supply); do not use computer USB and automatic identification mobile power supply, because the power is insufficient, the camera will not be able to drive; please use high-quality brands purchased through regular channels mobile power.Colour: Blackmaterial: plasticPackage Contents:1 x Dummy battery1 x USB boost cableOnly the above package content, other products are not included.Note: Light shooting 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.