Strands XBB Dongle & XBB Power Unit XBB Dongle & XBB Power unit kit. The easiest way to install vehicle lighting. You never need to interfere with the car's wiring or worry about possible CAN-bus issues. The kit includes a Power unit with two outputs (for example, driving lights and position lights) and a Dongle plugged into the vehicle's OBD port. The easiest & fastest way to install vehicle lighting on the market. No impact on the car's electrical system. Avoid fault codes and warranty consequences.– Wireless communication via Bluetooth 5 to minimize cable clutter. User-friendly installation performed with your smartphone; be ready in just a few minutes. Works with both Android & iOS. Click here for the Smart Button that works with this set-up Spec Sheet Voltage: 10 - 36V Connections: Dongle: 2 x 8 pin male (Fits inside car) Power unit: 5 x 6.3mm( Required mounting socket separately)