Description 1NPF550 dummy battery is used to to replace the real batteries to extend camera shooting and battery life. 2The extended cable gets rid of the limitation of the space, which is very suitable for various indoor shooting for a long time. 3Using highquality plastic, the external power supply can effectively reduce the heat of the camera. 4Multiple protection fuctions, such as short circuit protection, overvoltage protection and overcurrent protection, ensuring the safety during use. 5Plug and play, it is very convenient to use. It has high conversion efficiency and good stability.Item Type: AC Power Adapter DC Coupler Dummy Battery KitMaterial: PlasticProduct Color: As Pictures Shown DC Port Size: Approx. 5.5x2.1mm / 0.2x0.1in (positive inside and negative outside)Product Weight: Approx. 260g / 9.2ozDecoded: Full DecodedDummy Battery Model: NPF550Input Voltage: AC100-240V/50-60HZOutput Voltage: 8V Output Current: 3A Applicable Models: Power supply for LED fill light, monitor, camera, wireless image transmission using NP-F550 series batteries , etc. 1 x DummyBattery1 xACPowerAdapter1 x Plug