Material: Stainless Steel, Function: For Office and Teaching,For Astronomers,For Outdoor Sporting, Working Temperature(°C): 10-40, Output: 4, Wave Length Range: 635nm-670nm, Wave Length (nm): 650nm, Shape: Pen Shaped, Operation Voltage(V): 3.7v, Power: Button, Net Dimensions(cm): 12.0*1.5*1.5, Net Weight(kg): 0.05, Shipping Weight(kg): 0.022, What's in the box: Laser Pointer,Battery
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