Get this LT-501B 5mw 405nm Purple Beam Light Single Dot Light Style Rechargeable Laser Pointer Pen Set to enjoy the reliable quality and convenience it brings to your work! The laser pointer pen gives out light beam in eye-catching color and high brightness for clear pointing， practical on occasions like class teaching， presentation， sight-seeing and astronomy observation. The rechargeable design is eco-friendly and convenient. Ideal choice for every wise shopper! You should not miss it!                                    Features             Eye-catching beam color to draw people’s attention<br> The case is made of premium material， strong and durable<br> Cost-effective as a whole set containing necessary accessories<br> High brightness and powerful design for clear pointing<br> Compact and light， easy to carry<br> High-ended hand feeling， providing comfortable gripping<br> Rechargeable with an attached charger， very eco-friendly   <br>                                                            Specifications             Key Words     Purple Laser Beam    <br> Light Color     Purple    <br> Light Style     Single-point    <br> Body Color     Blue    <br> Material     Aviation Aluminum    <br> Wave Length     405nm    <br> Output Power     5mw    <br> Battery     1 x 16340 Battery    <br> Switch Location     Tailcap    <br> Strap/Clip     Strap Included    <br> Operating Voltage     DC 3V    <br> Working Voltage     650mA    <br> Operating Temperature     15℃ ~ 30℃    <br> Storage Temperature     -10℃ to 40℃    <br> Dimensions     (5.32 x 1.38 x 0.98)" / (13.5 x 3.5 x 2.5)cm (L x W x H)    <br> Weight     3.00oz / 85g      <br>                                                             Package Includes            1 x Laser Pointer Pen<br>1 x Battery <br>1 x Charger<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.