The laser at any time must not point to their own or other people’s eyes, even if the laser is wrong in the case of closing the possibility. The laser can not illuminate any reflective surface or smooth surface, the reflection of the laser is very good, when shining on the reflective surface will produce reflection, if it happens to illuminate people’s eyes, can cause damage. The laser is not a toy, can not be used for children, intelligence is not complete, and do not understand the characteristics of the laser, in this case, it is easy to cause damage. The use of laser should wear special goggles, for invisible laser, this point is particularly important. The laser can not shine on vehicles, aircraft and other vehicles with people.

Specifications:
Laser small copper head (red light)
Transmitting power: <5MW, Class 3R
Service life: more than 1000 hours
Spot mode: line facula, continuous output
Laser wavelength: 650nm
Power: 5mw
Voltage: 3V
Current: < 20mA
Operating temperature: - 36 ℃ ~ 65 ℃
Storage temperature: - 36 ℃ ~ 65 ℃
Spot size: 15m φ 10mm~ φ 15mm
The user can work by connecting a 3V DC power supply.