Military Blue Purple Laser Pointer 405nm Lazer Pen Beam+ 18650 Battery + Charger

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
Weight: 4oz
Power supply: 1 x 18650 battery ( include )
Laser range: 1.2 -5 miles/2km-8km
Output wavelength: 405nm
Output power: 5mW
Output wave: Continuous wave
Working voltage: DC= 3.0 - 3.7V
Start-up time: < 3 seconds
Working temperature: +15? ~+35?.
Storage temperature: -10? ~+40?. How to use? 1. Unable to light a matchstick because the beam is parallel light. 2. Adjust the focus to enlarge the spot size. 3. Find the Focus Point (the smallest spot size on the beam ), most powerful and capable of lighting a match. Note Keep out of the reach of children. DO NOT point directly at human or animals eyes. Package includes 1 x Laser pointer 1 x rechargeable 18650 battery ( random send color, Not include holder ) 1 x charger