Product name:       U'King ZQ-12HB 650nm Red Light Burning Laser           Brand:       U'King           Model:       ZQ-12HB           Material:       Alumiun           Battery Configurations:       1 x 18650 battery (included)           Switch Type:       Clicky           Switch Location:       Tail cap           Working Voltage:       DC=3.7V           Wave length:       650nm           Laser color:       Red           Focus mode:       Adjustable           Range:       >5000m           Operating temperature:       -10\u2103 ~ +45\u2103           Storage temperature:       -10\u2103 ~ +35\u2103           Waterproof:       IPX-4           Power:       1mw:200mw    5mw:500mw           Security Level:        Class IIIb           Weight:       210g           Size:       138mmx27mmx27mm   Features:1. Actual photo shown、Simple and easy to use.2. Use your laser pointer to point at any desired targets on projection screen、 video.3. Power saving、 lightweight、 suitable for putting in your pocket or handbags.4. This laser pointer can be used for presentation、 teaching indicator、 astronomical indications、outdoor instructions and more.5. This high quality laser pointer adopts the latest technology optics and microelectronics.6. Press-button switch at the bottom、 no need to keep holding when use it.7. Portable size and science shape design.8. Could be lighting a match and one meter point of cigarettesWarnings:1. Avoid direct eye exposure to laser beam -- exposure to the eye can cause permanent damage.2. The length of working time must not exceed 5 minutes.3. Please keep this out of the reach of children.4. When not in use、 it is always a good idea to remove the battery -- it is is a good way to ensure children do not have access to it.5. Do not whack or drop it.6. Do not let dust fall in the light hole.7. Non-demolition.8. In some countries、 laser pointers such as this may be illegal to own and\/or use (especially the higher powered ones). Therefore、 by purchasing these products YOU (the customer) accept all responsibility and liability to determine and fulfill the requirements and limitations of use or resale of these products in accordance with your country's laws and regulations. In the event of resale、 you also agree to include this notation in the product description、 so that any potential buyer can also make an informed purchasing decision.Note: Positive pole -- outward、 negative pole -- inwardPackage inlcuded:1 X U'King ZQ-12HB 650nm Red Light Burning Laser1 X 18650 Battery1 X Charger1 X Protect Glasses ( Wear it before use the laser pointer.)5 X Star Pattern Converter1 X Box