450nm 100mW Blue Dot Waterproof Focusable Laser Pointer 18650

Features:

Wavelenght:450nm

Working Voltage: 3.7V
Laser Shape:Dot
Focusable : Yes
Switch mode:button
Start-up time:0.01
Material:rigid aluminum
Color:Black
Waterproof: Yes
Waterproof: It can prevent rain, domestic water, etc., but can't work in water.

Beam pattern:Continuous line Shape
Circuit Control: Constant Current Drive
Housing Material:Aviation aluminum
Battery: 1x 18650 rechargeable lithium battery (not included)

Package: 

1x  450nm Laser Pointer  (Battery not included for easy custom clearance)