Viper Charge Plus Target Bar Sight Light

Rechargeable Lithium battery & back up coin battery;Lasts up to 4 hours on a single charge;3 brightness settings; 3 colors red, blue and green

Features:Built in Memory to hold settings;3 Universal Fittings are Included: 1/4 28, 3/8 32, and 8 32;Micro USB charging cord included