Feature:1. Compatible DevicesThis dummy battery is compatible with devices such as Atomos/Ninja V/Atomos/Feelworld monitors, Hollyland Mars wireless transmitter receivers, Led video lights, and microphones.2. Multiple Power SupplyThe dummy battery can power a monitor and a wireless transmitter/receiver using a single V-mount battery via D-tap.3. Increase PortabilityTidy and easier to move during making photographic activity. Besides, the DC coupler accessory can be mounted securely on camera.4. Safe and StableBuilt-in input and output reverse, high voltage, overload conservation circuit. Input voltage: 11-16.8V; output voltage: DC7.4V, 3A.5. ConvenientWith this dummy battery connecting with external power source, you can power your monitor / camera / LED long time.Specification:Features:Compatible DevicesThis dummy battery is compatible with devices such as Atomos/Ninja V/Atomos/Feelworld monitors, Mars wireless transmitter receivers, Led video lights, and microphones.Multiple Power SupplyThe dummy battery can power a monitor and a wireless transmitter/receiver using a single V-mount battery via D-tap.Increase PortabilityTidy and easier to move during making photographic activity. Besides, the DC coupler accessory can be mounted securely on camera.Safe and StableBuilt-in input and output reverse, high voltage, overload conservation circuit. Input voltage: 11-16.8V; output voltage: DC7.4V, 3A.ConvenientWith this dummy battery connecting with external power source, you can power your monitor / camera / LED long time.Specifications:Model: WY-VL-FInput: DC11-16.8VOutput: DC7.4V, 3AMax Length: 60cmDimension: 70 * 38 * 24mmWeight: 60gPacking List:1 * D-Tap to NP-F Dummy BatteryPackage List:1 * D-Tap to NP-F Dummy Battery