sendyou gun sight for salt gun fly killer 3.0 2.0 constant and short light mode gun laser compatible with bug assault salt gun sendyou <b>package includes:</b><br> 1 * red sight(salt gun not include)<br> 1 * mounting hardware<br> 2 * mounting wrenches<br> 6 * ag13 batteries<br> 1* pressure switch<br> 2* double-sided tape<br> 1 * instruction(has been updated to an video)<br> 1 * warranty card<br><br> perfect auxiliary aiming accessories for bug-a-salt 3.0 2.0. made completely of a full aluminum construction and<br> hard coated in stealth black. lightweight and durable. high-brightness dual-mode laser assist in aiming at flies <br> without any false shots.bring you an irreplaceable shooting feeling.<br><br> <b>specification:</b><br> material: aluminum<br> head diameter: 16mm<br> tail diameter: 4.3mm<br> wavelength: 630-680nm<br> color: red<br> length: 155 mm<br> head dia: 16 mm<br> tail dia: 5mm<br> weight: 38g / 1.33oz<br> package weight: 135g / 4.7oz<br> batteries type: ag13/lr44 battery<br> fit: barrel size: 13mm-22mm<br><br> <b>note:</b><br> avoid direct eye exposure to beam.<br> avoid aiming the beam at people.<br> avoid aiming the beam at reflective surfaces.<br> avoid looking at the salt gun sight using things like binoculars or microscopes.