High Power Green Laser Pointer 532nm Super Strong.You can see the beam light in darkness!!USE NOTE:1. Friendly reminder:The laser is high power .So it runs out of battery quickly.And please don't keep the laser on continuously for more than 20 seconds or it will get burnt from inside easily.2. The use of the laser beam is absolutely does not allow the irradiation of the eye in front of humans and animals!3. Remove the batteries when not in use、 put the child is not easy to get a place!4. If you find that the brightness of the laser beam is seriously reduced Please note that to charge the battery or replace battery.Specification:1. Wavelength: 532nm.2. High Power Military Grade3. Beam style continuous line.4. Preheat time: < 3seconds.5. Working temperature: +15-356. Storage temperature: -10+40Military Grade Laser Pointer Pen Features:1.This is a very convenient hand-held military grade laser light、 When you travel or adventure and need a pointer、 it is a good choice. can also be used in laser pointer.2. aviation aluminum alloy、 durable;3.The appearance of the surface treatment: anodized black4.Start-up time 3 seconds5.Operating Voltage: DC3.7V.6.Dimensions:  25mmX125mm7.Switch:switch8.Battery: Battery:LC 16340 or CR123A 3.6V  can rechargeable batteries (Not included)9.Wavelength: 532nm;Package includes:1X  High power astronomy tactical military grade green laser pointer pen (Batteries Not included)