Features:<br /> 1. It is used to point at any desired target on projection screen｣ｬ video｣ｬ etc.<br /> 2. It can be used for presentation｣ｬ teaching indicator｣ｬ etc.<br /> 3. Across the sky｣ｬ leading you to find the stars in the clear nights.<br /> 4. Lightweight｣ｬ suitable for putting in your pocket or handbags｣ｬ easy and convenient to bring.<br /> 5. This high quality laser pointer adopts the latest technology optics and microelectronics.<br /> 6. Designed with purple color light｣ｬ which is easier for you to find the target and outlight the key point.<br /> 7. The copper at the end is fixed by aluminium sheet｣ｬ which avoids short-ciruit.<br /> 8. Power-saving: with a key to lock the laser to avoid power loss -- when the key points at the red point ~ lock (green point~unlock).<br /> 9. Designed with a waterproof sealed ring at the end｣ｬ which keeps water from running into it<br />Specifications: <br />Body material: Aerometal<br /><br /> Dimensions: 140X20x22m<br /> Beam style: Continuous line.<br /> Power supply :1x18650 Battery. (Not included)<br /> Wave length: 532nm<br /> Laser range: 200~5000m<br /> Laser color: Purple<br /> Focus mode: Adjustable <br /> Body color: Black<br /> Working voltage:DC=3.0-3.7V.<br /> Waterproof: IPX67<br /> Working temperature: +15\u2103&amp;mdash;&amp;mdash; +35\u2103.<br /> Spot size:6M place &amp;lt;&amp;phi;10mm.<br /> Power:\u22665mw<br /> <br /> Package included:<br /> 1 x 301 405nm 5mw Purple Laser Pointer