Genuine Hardware kit for the Queclink GL300 GPS Tracker Genuine Hardware kit for the Queclink GL300 GPS Tracker. Recommended for permanent installation of GL300 on cars, trucks, vans, motorcycles, machinery Allows 24/7 continuous power without recharging. Use this cable when you want to forget about charging your GL300 battery. Simple Two Wire Hookup. Just connect the red and black cables. Red is positive and black is negative. Professional Installation Recommended. Supports both 12V and 24V input voltages.