Three Colours Laser Pointer Teaching Pointer Laser Pen

Product application:Teachers/lecturers - for classroom teaching, it is like an infinite extension of the teaching staff, so that you can be in any corner of the classroom can easily point to the blackboard, is the teachers' right-hand man!
Business people/conference keynote speaker -- for product demonstrations and conference presentations, making your presentation as spontaneous as possible and communicating with customers more relaxed and natural.Exhibition hall/tour guide - when you are at your wit's end in the face of a "difficult target", it can help you easily and accurately point out the target.Backcountry traveler/explorer - for backcountry adventures, pointing to distant targets and sending out distress signals to make your trip happier and safer.Stargazer - for stargazers, the green laser beam is a beautiful green line that is perfect for stargazing at night and can help you pinpoint where the stars are.Construction site/quarry - used for remote and accurate indication of buildings, can avoid approaching dangerous areas, let you kilometers away as if the scene command.Self-defense with - when you meet dangerous animals in the mountains, or a gangster on when you were robbed, pose a threat to your life and property, which can be used to self-defense, as long as you take out to scare the other good, don't really have somebody else make of binocular insomnia. Military command or exercise - when do you want for your men to explain which direction does your target in the air or at a distance halfway up the hill, you also try very hard to of strokes by hand? Of course not, you can point to the horizon at the touch of a button, making you graceful.Notes:Laser is harmful to human eyes, do not direct to human eyes, please keep away from children, so as not to cause accidents.
[product description]
Model: laser - 101;
Material: hard aluminum;
Surface treatment: anodized black;
Switch mode: light touch switch;
Batteries: two no.7 batteries;
532 nm wavelength:;
Start-up time: 0.001 seconds;
Working voltage: DC3V (two no.7 batteries);
Range: 2000 m (maximum visible distance to human eyes at night)
Size: 14mmX155mm;
Power: 5MW
[product advantages]
1. Aviation aluminum alloy manufacturing, strong and durable;
2.2 no. 7 battery, large capacity, long battery life;
3. Front switch, press the power on, loosen the power off for convenient use;
4. Service life, more than 10000 hours;
5. Built-in laser module improves heat dissipation, and circuit board acquisition and protection design (excellent improvement for current defects of laser circuit board in China);pen weightbox weightbattenes weightcarton sizelight colorpen sizerangelifetime19g54g1936x33x30red/green/purple14mmX150mm;500m10000 hours