Material: Aluminum Alloy, Function: For Astronomers, Working Temperature(°C): 20-30, Output: 2, Wave Length Range: 635nm-670nm, Wave Length (nm): 650, Shape: Module Shaped, Operation Voltage(V): 3, Power: Lithium Battery, Net Dimensions(cm): 17.3*2.2*2.2, Net Weight(kg): 0.13, Shipping Weight(kg): 0.3, What's in the box: Laser Pointer, Listing Date: 10/11/2014
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