Laser的specifications :
Type of Visible pointer: Laser Class IIIa
Type of IR pointer / IR illuminator: Laser Class IIIb
Hi-Power Visible pointer: <5mW
Hi-Power IR pointer/IR illuminator: <25mW-100mW
Lo-Power Visible/IR pointer/IR illuminator: <1mW
Wavelength of visible pointer: 635nm
Wavelength of IR pointer/IR iluminator: 835nm
Beam diameter of Visible/IR pointer: 8mm@25 meters
Beam divergence of IR iluminator: 0-6 degrees
Range visibility of visible pointer: 450 meters (low light)/30 meters daytime
Range visibility of Lo-Power IR pointer/IR iluminator: 600 meters
Range visibility of Hi-Power IR pointer/IR iluminator: 2000 meters
Battery: 2 1.5-volt AA
Battery life: 5 hours continuous