Material: Aluminum Alloy, Working Temperature(°C): 0-35, Function: For Outdoor Sporting,For Office and Teaching,For Astronomers, Output: 3.7, Wave Length Range: 405nm-473nm, Wave Length (nm): 455, Shape: Flashlight Shaped, Operation Voltage(V): 3.7, Power: 18650, Net Dimensions(cm): 21.0*11.0*4.0, Net Weight(kg): 0.16, Shipping Weight(kg): 0.32, What's in the box: Laser Pointer, Listing Date: 07/18/2014
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