【Dual Power Outputs for Monitor and Wireless Video Transmission】 Provides 7~16.8V pass-through power via a single USB-C or DC input, enabling simultaneous power supply to a camera monitor (NP-F) and a wireless video transmitter (V-Mount). 【Switchable Vertical or Horizontal Mounting】 Features a repositionable design with a tool-free 1/4"" thumb screw, allowing quick conversion between vertical and horizontal mounting to adapt to different rig layouts, cages, or gimbal orientations. 【USB-C and DC Input Compatibility】 Accepts 15V USB-C Power Delivery (PD 3.1) and 7~16.8V DC barrel input, supporting a wide range of power sources such as PD power banks or D-Tap-equipped battery. (D-Tap to DC input cable included) 【Compact and Rugged Construction】 CNC-machined aluminum alloy with ABS inserts delivers a strong yet lightweight (204g) form factor, built to withstand the demands of mobile and rig-mounted use. 【Integrated Power Protection】 Includes safety circuitry for over-current, reverse polarity, and short-circuit protection, enabling safe, hot-swappable operation during active production. Portkeys BD4 Dummy Battery Power Adapter Dual Output for NP-F Monitor and V-Mount, USB-C & DC Input, for Camera Monitor, Wireless Video Transmitter, 7~16.8V Pass-Through Power