Some people want Instant Access, Some people want Additional Protection, Some people want a Trigger Lock, and Some people want a Cable Lock. YOU WILL GET ALL OF THESE WITH THE GL650! The most popular approved trigger lock. Certified for over 4,000 models of firearms. Multiple levels of protection, including Instant Access Mode, Key Lock Mode, and Accidental Discharge Cable Mode, allow the user to be flexible and change the security level based on individual preference at any time. We have found that many people who would not use a gun lock before, love the features on this lock and will use it. Clamshell Packed.