Xiaopeng---Technical founder of our company, will answer you as soon as possible!
1. DANGER! Don't shine the beam to eyes!
2. We recommend not operating the laser pointer continuously for more than one minute at a time to prevent overheating, which can damage the laser or shorten its lifespan.
3. Remove the batteries when the product is not in use, and store the batteries in a safe place out of reach of children.
4. If the laser output is low or dim, recharge or replace the batteries.
Technical Specs Name:
635nm nominal center
Direct Diode Laser
2x150mw(each laser is >150mw)
Arctic series class:
2mm x 5mm
Best working temperature
6061-T6 Aircraft-Grade Aluminum
Dia24 x 170mm
540g (laser + charger + packing case)
3.0V @ <0.4A x2pcs
1pcs 18650 Lithium-Ion Rechargeable Battery
2pcs light touch switch
Continuous expected lifetime: