Now we would like togive you a recommendation of this 5mw 650nmRed Laser Beam Single-point Laser Pointer Pen with USB Cable. Adopting high-performance design， this laser pointer pen does well in giving out soft and high-efficient single-point pattern light. It is comfortable to hold due to its top-grade copper material and rubber paint surface treatment. The attached USB cable lets you charge it quickly and conveniently. What is more， it is suitable for any desired targets， such as projection screens， video monitors， and presentation graphics and so on.                                    Features             It is made of copper material， durable to use<br> The USB cable lets you charge conveniently<br> The built-in laser module can improve the heat dissipation of the equipment<br> With circuit board protection design<br> Fashionable and lightweight pen design<br> It adopts rubber paint surface treatment， comfortable to grip<br> Full power and high brigtness<br> Perfect for teachers， professors， doctors， managers， engineers and so on<br> It does well in giving out single-point pattern light   <br>                                                            Specifications             Key Words     Red Laser Beam    <br> Light Color     Red    <br> Light Style     Single-point    <br> Body Color     Purple    <br> Material     Fine Copper    <br> Surface Treatment     Rubrones    <br> Wave Length     650nm    <br> Output Power     5mw    <br> Battery     Built-in Lithium Battery， USB Charging    <br> Voltage     DC 3V    <br> Perfect Working Environment     0-35°    <br> Switch Location     Side    <br> Strap/Clip     No    <br> Dimensions     (5.91 x 0.59 x 0.59)" / (15 x 1.5 x 1.5)cm (L x W x H)    <br> Weight     1.59oz / 45g       <br>                                                             Package Includes            1 x Laser Pointer Pen<br>1 x USB Cable<br>1 x User Manual<br>                                                            Extra Info            Note: Don′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′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′s contacting.Please don′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.