The laser is high power.Please don't keep the laser on continuously or too hot, it will get burnt from inside easily.
3.Specification of laser pen:
Laser Color: green
Battery type: it uses 18650 battery.
Burn BLACK(only) matches need a way:Match and lenses keep constant shaking in between 6-12cm.
Switch is at the middle, switch: momentary switch
Use your laser pointer to point at any desired targets on projection screen, video.
Across the sky,allowing you to find the stars in the fan days you want the stars,is the leader in the vast sky.
Power saving, lightweight, suitable for putting in your pocket or handbags.
This laser pointer can be used for presentation, teaching indicator, children amusement ,cat or dog toy and more.