Specification:<br /><br /> <br />  <br />   <br />    Product name: <br />   <br />    650nm 5mw USB Charging Laser Pointer<br />  <br />  <br />   <br />    Material:<br />   <br />    fine copper<br />  <br />  <br />   <br />    Surface treatment:<br />   <br />    rubrones<br />  <br />  <br />   <br />    Battery:<br />   <br />    built-in lithium battery, USB charging<br />  <br />  <br />   <br />    Output:<br />   <br />    650nm<br />  <br />  <br />   <br />    Light distance:<br />   <br />    500m-5km<br />  <br />  <br />   <br />    Power:<br />   <br />    5mW<br />  <br />  <br />   <br />    Voltage:<br />   <br />    DC3V<br />  <br />  <br />   <br />    Light color:<br />   <br />    red<br />  <br />  <br />   <br />    Working Environment:<br />   <br />     0-35 <br />  <br />  <br />   <br />    Weight:<br />   <br />    63g<br />  <br /> <br /><br /><br />Features:<br />1.Pen-shaped design, lightweight and elegant! Easy to use built-in lithium battery USB charging.quite convenient and easy to take in daily use<br />2.Fine copper made, rubrones surface treatment, feeling comfortable<br />3.Foot power, clear and bright beam of light at night,Light distance up to 5km<br /><br />Package included:<br />1 x 650nm 5mw USB Charging Laser Pointer<br />1 x USB cable<br />1 x battery inside