Product name: HJ G20 Extended Version Hand-held 532nm 50mw Green Laser Brand: HJ Model: G20 Extended Version Material: Aluminum Battery Configurations: 1 x 18650 battery(Not included) Switch Type: Clicky Switch Location: Tail cap Laser Light: Green Laser Power: 50mw Wavelength: 532nm Waterproof: IP3 Weight: 450g Size: 152mm x 30mm Package included: 1 X HJ G20 Extended Version Hand-held 532nm 50mw Green Laser 1 X Ultra-low clip
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