The portable and with richer applications laser pointer is a good guide for your traveling， and a good tool for pointing to the faraway target or stars and sending out the SOS signal. Also， it always widely used it to point at the faraway target or stars. This green laser pointer is also the best gift for friends and families. What&acute;s more， black body makes the laser light in the night vivid and unique. Good choice for you!                                    Features            Made of high quality material， so it is enough durable for long time usingThe laser can be seem as far as the eye can seePower saving， compact and reliableSimply press the button to activate the green laser pointer and release it to deactivateLightweight and handy design， it is very convenient to put in bags or pocketsIt&acute;s more convenience that use laser point to the target instead of handsPoint at any desired targets on projection screens， video monitors， and presentation graphicsPerfect for teachers， professors， doctors， managers， engineers and so on                                                            Specifications            Key Words    Single - point    <br>Light Style    Beam light    <br>Light Color    Green    <br>Wave Length    532nm    <br>Output Power    5mW    <br>Power Supply    2 x 1.2V 1000mAH Ni - MH batteries (not included)    <br>Spot Forms    single - point    <br>Material    Steel    <br>Color    Green    <br>Dimension    15.8 x 3cm / 6.22" x 1.18" (L x Dia.)    <br>Working Temperature    0℃ ~ 35℃    <br>Storage Temperature    - 10℃ ~ 40℃    <br>                                                            Package Includes            1 x 5mW 532nm Beam Light Green Laser Pointer Pen Green                                                            Extra Info            Note:Don&acute;t allow the laser beam to enter the eye. The laser beam is harmful to eyes， any contact will cause permanent damage. Not the laser point to the crowd， especially in the face.Don&acute;t look directly with your eyes or using binoculars and other equipment to observe the laser beam on the remote control. Never let the laser point to a mirror or other highly reflective surfaces.Please keep the laser pointer away from children (especially the high powered ones) in order to avoid the damage by the children&acute;s contacting.Please don&acute;t light laser pointer continually in 30 seconds and press the button hard， it will affect its lifetime for prolonged use.Please remove the battery from the laser pointer when not in use.Need to disassemble， adjust or repair， please get professional maintenance technicians.The use of laser pointers (especially the higher powered ones) may be illegal in some countries. Therefore， customers can buy and use it by following the local laws and regulations. In the event of resale， you also need to incorporate this notation in the product description， so that any potential buyer can be well informed before making purchasing decision.