Package included:<br />1 x 4-In-1 Function Red Light Laser<br />3 x Button Cell<br /><br />Specification:<br />Product name: 4-In-1 Function Red Light Laser<br />Powered by: 3 x button cellincluded<br />Output Wavelength:650nm<br />Size: 123*10 mmlength x body diameter  <br />Color: purple，pink，white，black，blue，red，silverplease choose the color before ordering<br />Weight: 50g<br /><br />Features:<br />1.2 buttons activating laser pointer or LED light.<br />2.touch screen pen is compatible with all smart phones， tablets， and touch screen computers.<br />3.Compact and light weight design easy to carry<br />4.Keep your screen freescratching and fingerprint<br />5.Clip design can be clipped in your pocket book diary etc<br />6.It also can be used as a ball pen