KRYPTOLOK STANDARD* 12.7mm hardened performance steel* Double deadbolt design* Dust cover* High security disc-style cylinder* 2 stainless steel keys* FlexFrame U-BracketAVENUE R20 COB* Rear light* Lumen output at high steady: 20* Total run time at high steady: 3hrs 45 min* 3 different Mode/Function options* High Steady - Low Steady - Slow Flash* USB