Details of Double-head Hand-held Laser Pointer Pen
Wavelength: 532±1
Output power: >5,10,15,20,...,130
>150,160,170,...,200
Transverse mode:TEM00
Beam divergence: full angle < 1.5mrad
Beam diameter: at the aperture1.5mm
Switch: Push button
Surface color: black
Power supply: 2*AA/1.5V batteries
1*"No.18650" Li batteries
Operating lifetime: 3000-5000hrs
Warranty: 6 months
You are guaranteed to get a Superior laser light show systems!