The Charge Plus is a sight light with a controller for easy adjustments. Never run out of light again – Rechargeable Lithium battery & back up coin battery. Lasts up to 4 hours on a single charge. Quiet, Vibration Absorbing rubber gear ties. 3 Brightness Settings – Low, Medium, and High. 3 Timer Settings – 2 Minutes, 5 Minutes, and Constant. 3 LED Color Settings – Blue, Red, and Green. Built in Memory to hold your settings. 3 Universal Fittings are Included: 1/4 – 28, 3/8 – 32, and 8 – 32. Micro USB charging cord included.