Include rechargeable 18650 battery and charger.It is the best choice.<br /><br />1.Model No: G303(Green Laser Pointer)<br /><br />2.Body color:black<br /><br />3.Light color:Green<br /><br />Note:Please don't keep the laser on continuously for more than 20 seconds or it will get burnt from inside easily.<br /><br />Package includes<br />1 x Laser Pointer<br />2 x 18650 Battery<br />1 x Dual Battery Charger for 18650