100mw 650nm Handheld Adjust Focusing Red Pointer laser with Double

100mw 650nm Handheld Adjust Focusing laser Red with Double-protection device SD-300(1*18650)


Open the pedestal of the red laser pointer with the key  
    price:$76 
    Specifications:
        Aluminum body construction
        Adjustable Focus Red Laser Pointer with Double-protection device
        Perfect for astronomy, presentation, tutorial and office meeting use
        Produce clearly visible red beam in the dark
        Laser Color: Red
        Operation Voltage: 3.0~3.7V
        Power Supply: 1 x 18650 battery
        Laser Wave Length: 650nm
        Laser Output: 100mW
        Storage Temperature Range: -10~+50°C
http://www.lasersman.com/red-laser-pointer-100mw-650nm-adjust-focusing-sd-300/