Specification:<br /><br /> <br />  <br />   <br />    Product name: <br />   <br />    Adjustable 650nm 5mw Green Laser Pointer<br />  <br />  <br />   <br />    Material: <br />   <br />    Aerometal<br />  <br />  <br />   <br />    Output power:<br />   <br />    5mw<br />  <br />  <br />   <br />    Wave length: <br />   <br />    650nm<br />  <br />  <br />   <br />    Laser color:<br />   <br />    red color<br />  <br />  <br />   <br />    Range in darkness<br />   <br />    500-1000m<br />  <br />  <br />   <br />    Power Source: <br />   <br />    2 x AAA battery(included)<br />  <br />  <br />   <br />    Working temperature:<br />   <br />    15\u2103--35\u2103<br />  <br />  <br />   <br />    Working Voltage:<br />   <br />    DC3.7V<br />  <br />  <br />   <br />    Size: <br />   <br />    15.5  x 1.5cm(length x diameter)<br />  <br /> <br /><br /><br />Features:<br />1.Portable and easy to operate<br />2.Serves a helpful tool in astronomic study. If you are a big fan of astronomy, you gotta have one of these!<br />3.a safe tool to precisely point out remote buildings to avoid dangers on the site.<br />4.Simply click the button then you can see the striking green beam of light shoot forth<br />5.Unique High Powered green Laser Pointer .green laser pointer light cigarette burst balloon burst balloon and burn match behind glass rapidly.<br /><br />Package included:<br />1 x Adjustable Burning 532nm 5mw Laser Pointer<br />2 x AAA battery