SmallRig D-Tap to Dual-Sided NP-F Dummy Battery Power Cable 4884 is a multifunctional dummy battery power cable featuring one D-Tap input and four outputs: two NP-F outputs, one DC output, and one USB-C output, enabling simultaneous charging of four devices. The NP-F outputs power monitors and video transmitters, the DC output powers cameras via dummy batteries, and the USB-C output powers devices like follow focus motors and mobile phones. Designed for portability and efficient cable management, this power cable is equipped with two displays and one indicator. The D-Tap port features a display for input voltage and an indicator for reverse plugging warning and input voltage range, while the dummy battery display shows NP-F and DC input voltage.