Specification:Product name: 532nm Mutil-Point Green Star Laser PointerMaterial: CopperSwitch:Touch switchWave length:532nmPower supply :2xAAA Battery. (Not included)Laser range:500~10000mWorking voltage:DC3.0VWorking Temperature:0-35°Output Power:1-200mWWatt:1mw,5mwColor:White,Blue,CamouflageSize: 16X1.5x1.5cmWeight:30gNote:1.Battery installation method:battery cathode laser pointer laser pointerin front of the tail.2.When using a laser beam and definitely not in front of the eyes of human and animal exposure!3.Continuous laser light time does not recommend more than one minute,whether it's because of overheating and affect the life of the laser!4.Remove the battery when not in use,put the child is not easy to get a place!5.If you find that severely reduce the brightness of the laser beam.Please pay attention to the battery charge or replace the batteryFunction:1. Field travelers / climbers / explorers:For outdoor adventures. ie. Measure distance, sent out distress signals, enable your travel be more happy and safe2.Amateur astronomers:Used for astronomical refers to the star, green laser is very suitable for used in the observation of stars at night, can accurately indicate the position of the stars.3. Mining field / construction personnel:Used for long-distance accurate instructions/buildings. Avoid danger zone4. Teaching and tour guide:It is an excellent tool for teaching. Ie. Make a PPT presentation, tourist attraction explanation.Package included:1 x 532nm Mutil-Point Green Star Laser Pointer PenSpecification: Product name: 532nm Mutil-Point Green Star Laser Pointer Material: Copper Switch: Touch switch Wave length: 532nm Power supply : 2xAAA Battery. (Not included) Laser range: 500~10000m Working voltage: DC3.0V Working Temperature: 0-35° Output Power: 1-200mW Watt: 1mw,5mw Color: White,Blue,Camouflage Size: 16X1.5x1.5cm Weight: 30g Note:1.Battery installation method:battery cathode laser pointer laser pointerin front of the tail.2.When using a laser beam and definitely not in front of the eyes of human and animal exposure!3.Continuous laser light time does not recommend more than one minute,whether it's because of overheating and affect the life of the laser!4.Remove the battery when not in use,put the child is not easy to get a place!5.If you find that severely reduce the brightness of the laser beam.Please pay attention to the battery charge or replace the batteryFunction:1. Field travelers / climbers / explorers:For outdoor adventures. ie. Measure distance, sent out distress signals, enable your travel be more happy and safe2.Amateur astronomers:Used for astronomical refers to the star, green laser is very suitable for used in the observation of stars at night, can accurately indicate the position of the stars.3. Mining field / construction personnel:Used for long-distance accurate instructions/buildings. Avoid danger zone4. Teaching and tour guide:It is an excellent tool for teaching. Ie. Make a PPT presentation, tourist attraction explanation.Package included:1 x 532nm Mutil-Point Green Star Laser Pointer Pen