Ocufii TagMe Stick-On Beacon White. By using this device firearm owners will be notified of unauthorized access and movement of their firearms or valuable items anywhere anytime on their smartphone. The stick-on beacon can be installed directly on cable & trigger locks safe doors firearm drawers carrying cases or any valuable item using the included 3M double sided sticker. Specifications for Ocufii TagMe Stick-On Beacon: Manufacturer: Ocufii Color: White Package Contents: Ocufii TagMe Stick-On Beacon Stick-On Beacon 3M Double Sided Sticker Set of Sign Labels Ocufii TM-B2-WHT: TagMe Stick-On Beacon White