Material: Copper, Function: For Astronomers, Working Temperature(°C): 0°C - 40°C, Output: 5mW, Wave Length Range: 532nm, Wave Length (nm): 532nm, Shape: Pen Shaped, Operation Voltage(V): 3.0V, Net Dimensions(cm): 15.5*1.7*1.5, Net Weight(kg): 0.075, Shipping Weight(kg): 0.09, What's in the box: Laser Pointer,Battery, Listing Date: 09/02/2011
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