3pc Green Red Blue Laser Pointer Pen Visible Beam Light Lazer Astronomy +Battery

Description

Here's some info on the difference between the laser pen:
green&red &blue-violet
*
Brightness:
green > red > blue-violet light
*
Price :
red < blue-violet light < green
*
Poly thermal performance ( ignition ) :
green < red = blue-violet
*
Stability:
green < red = blue-violet light ( green light is influenced by the climate; you may need to warm it up in cold environments)
Features:
1.Made of aviation grade metal.
2.Prevents laser light from accidentally hurting people and keeps children from playing with it without supervision with safe lock design at the bottom.
3.To lock off the laser pointer, key hole should align with the dot.
4.To use 18650 battery.
5.By rotating the focus ring to adjust beam light. Find the smallest spot of the beam light to light a matchstick.
Specification:
Material: Aviation grade metal
Dimensions: 5 x 1 inches
Power supply: 1 x 18650 battery
(INCLUDE)
Output wavelength: 405nm(
blue
)/532nm(
green
)/650nm(
red
)
Output power: 1mW
Output wave: Continuous wave
Working voltage: DC=3.0-3.7V
Start-up time: < 3 seconds
Working temperature: +15℃～＋35℃.
Storage temperature: -10℃～+40℃.
Note:
* Keep out of the reach of children.
* DO NOT point directly at human or animals eyes.
* A little difference between old label and new label,but products are same & top prenium quality.
* The Blue laser is purple-blue, dark environment is relatively bright.
Package Include:
* 1 x Green Laser pointer
* 1 x Blue Laser pointer
* 1 x Red Laser pointer
* 1 x Smart Charger
* 3 x 18650 Battery
(Battery Send Randomly)