Package Includes:1 x 5mw Blue Laser Pointer1 x rechargeable 18650 Battery1 x Charger USDANGER:This is not a toy. This laser beam will cut through tape， even light matches within short distance (please make sure the battery is power full when you test it ).Avoid direct eye exposure to laser beamFriendly reminder:1. The visible violet light has a wavelength of 405 nm which is much shorter than green which has a wavelength of about 532 nm or red 650 nm. So the violet laser is not as bright as green ones.2. 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 secconds or it will get burnt from inside easily.Features:1. 100% brand new high quality and perfect design.2. Actual photo shown，Simple and easy to use.3. Use your laser pointer to point at any desired targets on projection screen， video.4. Across the sky，allowing you to find the stars in the fan days you want the stars，is the leader in the vast sky.5. Power saving， lightweight， suitable for putting in your pocket or handbags.6. This laser pointer can be used for presentation， teaching indicator， children amusement and more.7. This high quality laser pointer adopts the latest technology optics and microelectronics.8. Power supply: 1 x 18650 Batteries.9. Laser range: 1000-2000meters.10. Focus mode: adjustable.11. Size:117(L)X20(D) X20(D).12. Net weight: 100g.13. Body material: aerometal.14. Color:Black.Specification:1. Wavelength: 405nm.2. Power output: < = 1mW.3. Beam style?continuous line.4. Spot size?6M place