Specification:<br /><br /> <br />  <br />   <br />    Product name: <br />   <br />    LT-82 650nm Red Laser Pointer<br />  <br />  <br />   <br />    Material:<br />   <br />    Built-in laser module to improve aviation aluminum heat sink, board collecting protection design (good for the domestic transformation of the current laser circuit board defect conducted)<br />  <br />  <br />   <br />    Laser Type:<br />   <br />    Visible laser Diode<br />  <br />  <br />   <br />    Switch:<br />   <br />    open from top<br />  <br />  <br />   <br />    Battery:<br />   <br />    2 * AAA battery<br />  <br />  <br />   <br />    Light distance:<br />   <br />    500M-1KM (depending on the power)<br />  <br />  <br />   <br />    Voltage:<br />   <br />    DC3.6V<br />  <br />  <br />   <br />    Circuit control:<br />   <br />    APC Line<br />  <br />  <br />   <br />    Light color:<br />   <br />    Red Laser Pointer<br />  <br />  <br />   <br />    Current:<br />   <br />    &amp;lt;250mA<br />  <br />  <br />   <br />    Wave Length Range:<br />   <br />    650nm<br />  <br />  <br />   <br />    Power<br />   <br />    1-200mW<br />  <br />  <br />   <br />    Operating Temperature:<br />   <br />    + 20 \u2103 - + 30 \u2103<br />  <br />  <br />   <br />    Storage Temperature:<br />   <br />    + 10 \u2103 - + 40 \u2103<br />  <br />  <br />   <br />    Weight:<br />   <br />    135g<br />  <br />  <br />   <br />    Dimension(cm)<br />   <br />    15.1*1.3*1.3<br />  <br /> <br /><br /><br />Features:<br />Fixed focus, red, green and breath-like spot, continuous output and service life more than 5000 hours.<br />The greater the power, the farther the range, the brighter the red.<br /><br />Function:<br />1.Teacher \/ lecturer \u2500\u2500 for classroom teaching, it is like a pointer infinite, at any corner of the classroom U can easily refer to the planning board and be absolutely an assistant for teachers.<br />2.Business person \/ Conference Speaker \u2500\u2500 product demonstrations and meetings explained, let your speech become capabiliable and  with customers be more relaxed and natural.<br />3.Museum \/ Exhibition \/ tour guide \u2500\u2500 When you are in the face of &amp;quot;tentacle difficult&amp;quot; and do not know what the objectives of the beam, it can help you indicate target easily and accurately<br />4.Field travelers \/ explorers \u2500\u2500 for outdoor adventure, indicating distant targets and a distress signal issued.It is the preferred equipment to Make your trip more interesting for outdoor activities.<br />5.Astronomy enthusiasts \u2500\u2500 for astronomy star, red laser emitted beam is a very beautiful red line. Be Well suited for observing the night sky and can accurately indicate the position of the stars.<br />6.Mining Field \/ construction workers \u2500\u2500 for remote accurate indication \/ measure buildings. Avoid approaching the danger zone. Allow u command spot outside thousand meters like your sight.<br /><br />Package included:<br />1 x LT-82 650nm Red Laser Pointer<br />2 x AAA battery<br />1 x Box