1. Using spring wire length 4080cm,wider using environment, not winding. 2. High quality wire, small resistance, sturdy, durable and long service life. 3. Can used to connect V port battery and DC port monitoring, to power supply for monitoring and extend using time. 4. Made of high quality plastic material, sturdy, durable and long service life. 5. Small size and lightweight, easy to carry and , convenient to use. Condition: Item Type: DC Monitor Power Supply Cable Interface: D-TAP Port, DC Port Fitment: for BMPC// Monitor/DC Fill Light Fitment Battery: D-TAP Port Battery Feature: Spring Wire Avoid Winding, with Lock Fixed More Stable Function: B Port Battery Power Supply for DC Port Device Weight: . 42g color:Black Material:plastic Package Contents: 1 Supply Cable Only the above package content, other are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.