Green Laser Pointer ● Quantity per Unit: 1 ● Unit Dimensions: Diameter 13.2 × Length 157 mm ● Weight: 80 g (including battery) ●Effective Range: Approx. 50m ●Laser Color: Green ●Wavelength: 532nm ●Laser Output: Less than 1mW ●Beam Diameter (Spot): Approx. 5mm at 5m ●Batteries: 2 AAA batteries ●Battery Life: Approx. 6 hours continuous use ●Complies with Consumer Product Safety Act ●Green dot projection ●Material: Brass ●Included Accessories: 2 AAA batteries included