Feature: 1. 【Compatible Devices】This 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 Supply】The dummy battery can power a monitor and a wireless transmitter/receiver using a single V-mount battery via D-tap. 3. 【Increase Portability】Tidy and easier to move during making photographic activity. Besides, the DC coupler accessory can be mounted securely on camera. 4. 【Safe and Stable】Built-in input and output reverse, high voltage, overload conservation circuit. Input voltage: 11-16.8V; output voltage: DC7.4V, 3A. 5. 【Convenient】With this dummy battery connecting with external power source, you can power your monitor / camera / LED long time. Specification: Features: 【Compatible Devices】This 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 Supply】The dummy battery can power a monitor and a wireless transmitter/receiver using a single V-mount battery via D-tap. 【Increase Portability】Tidy and easier to move during making photographic activity. Besides, the DC coupler accessory can be mounted securely on camera. 【Safe and Stable】Built-in input and output reverse, high voltage, overload conservation circuit. Input voltage: 11-16.8V; output voltage: DC7.4V, 3A. 【Convenient】With this dummy battery connecting with external power source, you can power your monitor / camera / LED long time. Specifications: Model: WY-VL-F Input: DC11-16.8V Output: DC7.4V, 3A Max Length: 60cm Dimension: 70 * 38 * 24mm Weight: 60g Packing List: 1 * D-Tap to NP-F Dummy Battery Package List: 1 * D-Tap to NP-F Dummy Battery