NP-FW50 dummy battery DC coupler, a practical power supply adapter for cameras With 5.5 x 2.5mm DC plug, you can connect your camera via a battery mount plate Fully decoded, easy to condition the battery Spring connection cable design, flexible and easy to use Voltage: 7.2 v-8.4 v Item Weight: 74g / 2.6 oz Compatible Cameras: For S0NY NEX 3 series (Alpha NEX-3, Alpha NEX-3A, Alpha NEX-3C, Alpha NEX-3CA, alpha NEX-3CD, Alpha NEX-3D, Alpha NEX-3CH, Alpha NEX-3H, Alpha NEX-3CK , Alpha NEX-3K) For S0NY NEX 5 series (Alpha NEX-5, Alpha NEX-5A, Alpha NEX-5C, Alpha NEX-5CA, alpha NEX-5CD, Alpha NEX-5D, Alpha NEX-5H, Alpha NEX-5CH, Alpha NEX-5K ) For S0NY NEX 7 series For S0NY DSC-RX10, DSCRX10 / B, WW808143 For SOY α7 (Alpha a7, a7R, ILCE7 / B, ILCE7K / B, ILCE7R / B, ILCE-7, ILCE-7R) For S0NY α7R, α7S, α7s II, α7II, α3000, α5000, α5100, α6000, α6300 colour:black Material:plastic size:Line length: 35cm, pull value: about 110cm Package Contents: 2 x Battery Pair of Coiled 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.