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Color Black Brand N/A Model 831 Quantity 1 Piece Material Aluminum alloy Laser Power 5 dB/mW Wave Length Red: 635-700; green: 490-560 nm Laser Color RedGreen Battery 1x 18650 battery Packing List 1 x Laser pointer 1 x Charger (2-feet-plug / 220V) 1 x 4.2V 4600mAh 18650 Rechargeable Battery 2 x Keys 1 x Strap (20cm)