Specification:<br /><br /> <br />  <br />   <br />    Product name: <br />   <br />    Single Red Laser Pointer Pen<br />  <br />  <br />   <br />    Material:<br />   <br />    fine copper<br />  <br />  <br />   <br />    Switch:<br />   <br />    touch switch<br />  <br />  <br />   <br />    Power supply:<br />   <br />    2 x AAA batteries(included)<br />  <br />  <br />   <br />    Light distance:<br />   <br />    500M-5KM (depending on the power)<br />  <br />  <br />   <br />    Voltage:<br />   <br />    3.0v<br />  <br />  <br />   <br />    Perfect Working Environment:<br />   <br />    15\u2103 - 30\u2103<br />  <br />  <br />   <br />    Light color:<br />   <br />    Red Laser Pointer<br />  <br />  <br />   <br />    Output<br />   <br />    5mw<br />  <br />  <br />   <br />    Wave Length Range<br />   <br />    635nm-670nm<br />  <br />  <br />   <br />    Wave Length:<br />   <br />    635nm<br />  <br />  <br />   <br />    Weight:<br />   <br />    110g<br />  <br />  <br />   <br />    Color:<br />   <br />    Black<br />  <br />  <br />   <br />    Dimension(cm)<br />   <br />    15.6*1.3*1.3<br />  <br /> <br /><br /><br />Features:<br />1.Red laser pointer pen<br />2.Suitable for aiming, positioning<br />3.Convenient and practical to use<br />4.Pen shapped, easy to carry<br />5.Superb for professionals and amateurs<br /><br />Package included:<br />1 x Single Red Laser Pointer Pen