Green laser sight for Glock slimline G42, G43, G43X and G48. Secures firmly around the trigger guard. Features Instinctive Activation, which allows the user to activate the laser sight by simply gripping the pistol in a normal firing grip. Fully user-adjustable for windage and elevation and offers more than two hours of battery life. Uses (1) CR1/3N battery (included). Boxed.