Dual Direction 450nm /445nm Blue Laser Sword

Wavelegh:         450（±nm）  
Output Power:   >300（mw）(Dual direction)
Working voltage:   3.0-4.5（VDC）
Power source:  rechargable battery
Working current : <500（mA）
Working temperature:  -10℃~35℃
Storage temperature:  -40℃~80℃
Dot diameter:  10 (±mm)
Project range: >3000 meters
Life span :  >5000hours
Start type:  Button
Start time:  ≤0.01
Product Dimensions :  Φ26*54*155（mm）
Safety Class : ClassⅢB
Material :    Aluminum
Color:     Black

Accessories： Gift box+ rechargable battery+Charger