Specification:

• Size: 146*27 mm ( 5.5″ Length and 1″ Diameter )
• Wavelength: 532nm.
• Beam style: continuous line
• Spot size: 6M place <φ10mm.
• Power supply: 1 x 18650 Battery 
• Laser range: 2000 meters .
• Focus mode: adjustable.
• Body material: aerometal.
• Working voltage:DC=3.0-3.7V.
• Preheat time: < 3 seconds.
• Working temperature: +15℃～＋35℃.
• Storage temperature: -10℃～+40℃.

• pls see the option picture.

• Avoid direct exposure to the laser beam.
• Do not keep it open for a long time, otherwise it will easily damage the bulb.
• Do not direct light directly into the eyes of a person or animal.
• Do not remove the battery when not in use and keep it away from children. 
• Due to the high power, the continuous use time should not exceed 1 minute, otherwise it will affect the service life of the chip.