100% Brand ArmLaser New Professional high power red laser pointer,you can put it underwater 0.5m . Three layers of mirror, changeable focus (from 1cm to infinite distance),lower power dissipation, good pyrometric effect. It fires match in less than 1 second, burns black plastic. 

Color: Black Material: Aluminum

Dimensions: 145mm(L) x 32mm(Diameter) (the smaller end is 25mm)

Class: IIIB 

Wavelength: 660nm±5nm

Output Power: 200mW

Output Mode: Constant Wave 

Project distance : 5000m away (less in daylight).

Battery: 18650 x 1pcs(not included as oversea shipping)

Battery Life: 2 hours