Description Features: brand new and high quality for 550D 650D 700D series cameras. The dummy battery adapter is made of high quality materials, lightweight, sturdy and durable. Our goods has been designed to connect a power bank when shooting a long for time outdoors to provide uninterrupted power supply. To make your camera work better, please use 7.2v-8.4v power bank. It also can use with your classic phone wall plug (output:7.2v-8.4v) when your are indoors. Small size, easy to carry out. Specifications: Material:Plastic Cable Length:Approx.30cm/11.81in Working Voltage:7.2V-8.4V Working Current:2A Net Weight:70g Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Dummy Battery