Description

Presentation remote: Height: 115.5 mm Width: 37.8 mm Depth: 27.4 mm Weight: 57 g | Receiver: Height: 58.6 mm Width: 16.5 mm Depth: 7.9 mm Weight: 6 g | Laser: Class: 2 laser Max output: Less than 1m W Wave Length: 640～660nm (red light) | Battery: 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: Approx 15 m ?