Features: 1. It is used to point at any desired target on projection screen， video， etc. 2. It can be used for presentation， teaching indicator， etc. 3.Built-in laser module to improve the heat sink， circuit board collection protection design 4. With hang strap， convenient to store and not easy to miss 5. Opening the switch lock with keys ， green point with a key to open， the red point is off 6. Easy to use
Note: 1. Don\'t irradiated the eyes of humans and animals directly 2. Not recommends open the laser pen more than one minute ，or it will overheating and affect the life of the laser 3. Please remove the battery when not in use， don\'t let the child get 4. If found seriously reduce brightness， please note to charge the battery or replace battery
Product name：Green Light Laser Pen Beam style: Continuous line. Power supply : 1 x 18650 battery (not included) Working voltage: DC 3.7V. Body material: Aerometal Case color: Black Light color: Green Size: 156x23x23mm
Package Included: 1 x Green Light Laser Pen 2 x Keys
