Color Black Model Z-05 Quantity 1 Piece Material Aluminum alloy Laser Power 5 mW Wave Length 650 nm Laser Color Red Output Mode Red Excitation Mode Optical Pump Wave Band Range 620-650nm Working mode Continuous laser Working Voltage 3.0-3.7 V Working Current 50 mA Battery Built-in 300mAh battery Other Features Charging cable length: 21.5cm; Built-in 300mAh rechargeable battery Working life: 30000 hours above; Red laser light starry sky pattern; It shows red light as charging shows green light as full charge Packing List 1 x Laser pen 1 x Mini USB charging cable (21.5cm-cable)