Ocufii TagMe Secure Keyed Smart Trigger Lock Black. By using this device firearm owners will be able to secure their firearms while being notified of unauthorized access and movement anywhere anytime on their smartphone. The keyed smart trigger lock can be installed on most firearms available in the market. Specifications for Ocufii TagMe Secure Keyed Smart Trigger Lock: Manufacturer: Ocufii Color: Black Package Contents: Ocufii TagMe Secure Keyed Smart Trigger Lock Keyed Smart Trigger Lock Stick-On Beacon 3M Double Sided Sticker Set of Sign Label Ocufii TMS-D1-BLK: TagMe Secure Keyed Smart Trigger Lock Black