Laser Class: Class 2 laser Max output: Less than 1m W Wave Length: 522～542 nm (green light) Battery type: 2 AAA batteries Battery life (Laser pointer): 20-hour maximum Battery life (Presenter): 1050-hour maximum Connectivity: Wireless technology: 2.4 GHz wireless technology Operating distance: Approximately 98.43 ft (30m) Dimensions: 134 mm x 38 mm x 28 mm Weight: 71 g
