ACK-E10 dummy battery coupler, a practical power supply adapter for replacement of LP-E10 battery.Compatible with Rebel T3/T5/T6/T7/T100/Kiss X50/Kiss X70/1100D/1200D/1300D/2000D/4000D.(Not suitable for Rebel T3i, T5i, T6i, M)USB plug is designed with voltage conversion circuit, and works with DC 5V 2A-4A power source.Connect the USB plug to power source and put the coupler into the camera battery compartment to provide stable and continuous power supply for your camera.Enables you to use external power source with your camera to achieve long time , no need to replace camera battery again and again.Specifications:Output: DC 8.4VCable Length: 1mItem Weight: 52g/ 1.8ozcolour: blackMaterial: ABSPackage Contents: 1 * Dummy Battery1 * USB CableOnly the above package content, other products are not included.Note: Light 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.