Model SD-302 Quantity 1 Color Black Material Aluminum Laser color Green Laser Power 5 mW Wave Length 532 nm Excitation Mode Optical Pump Working Mode Continuous laser Working Voltage 3.0~3.7 V Working Current 350 mA Spot Mode (Spot size) 6m Battery Configuration 1 x 18650 (included) Functions Suitable remote indication mountaineering expeditions and other outdoor activities. Other Feature Switch method: Side switch / Tailcap safe clock; Comes with 2 keys red dot is at the state of lock green dot is at the sate of open; Working temperature: 0'C~35'C Packing List 1 x Laser pointer 1 x Strap 1 x Battery 1 x Battery charger 2 x Keys