Specification:<br /><br /> <br />  <br />   <br />    Product name: <br />   <br />    Mini 650nm Detachable Picatinny Rail Dot Laser Sight<br />  <br />  <br />   <br />    Wavelength:<br />   <br />    650nm<br />  <br />  <br />   <br />    Effective distance:<br />   <br />    300meters<br />  <br />  <br />   <br />    Material:<br />   <br />    aluminum alloy<br />  <br />  <br />   <br />    Power:<br />   <br />    1mw,5mw<br />  <br />  <br />   <br />    Battery runtime:<br />   <br />    2-3 hours<br />  <br />  <br />   <br />    Working temperature:<br />   <br />    -10  to 45 <br />  <br />  <br />   <br />    Laser dot size at 10 meter:<br />   <br />    &amp;lt;2mm<br />  <br />  <br />   <br />    Battery:<br />   <br />    3 x LR41(included)<br />  <br />  <br />   <br />    Light color:<br />   <br />    red light<br />  <br />  <br />   <br />    Size:<br />   <br />    28x26mm, mini style<br />  <br />  <br />   <br />    Weight:<br />   <br />    30g<br />  <br /> <br /><br /><br />Features:<br />1.Shock proof and can be used on real fire caliber<br />2.On\/Off switch is located in the back of the red laser sight<br />3.Windage &amp;amp; elevation adjustable with supplied hex key tool<br />4.Very light, with Detachable Picatinny Rail, mainly for Pistol and other kinds of guns<br /><br />Package included:<br />1 x Mini 650nm Detachable Picatinny Rail Dot Laser Sight<br />3 x LR41 button battery<br />2 x wrenches