Plug A: D-tap Male Connector. Plug B: 4 Port D-tap Female Connector. Plug C: USB 5V/2.1A. Designed with 3x4 Port, the D-tap can be expanded any power tap to accommodate up to four separate, perfect for powering multiple wireless receivers, on-board monitors as well as an ultralight from a single camera battery. USB 5V-2.1A output can also supply power for cell phones or other devices. | Safe to Use: With CE, FCC, RoHS certification marks. D-TAP B-type sockets hub adopts the updated design, with anti-reversal insertion function, which can be used on the left and right side at the same time without affecting the limitation of the power line, convenient in operation, and safe and reliable in use. | Detail: Independent power on/off control; LED indicator; with 2pcs of 1/4" screw mounting holes at the bottom for easy installation. | Cable Length: 11cm, max stretched up to 100cm. | Input Voltage: 10-17V. Output Voltage: ①D-TAP 10-17V; ②DC 8V/3A; ③DC 12V/2A; ④USB 5V/2.1A.