Xena XX6 XX Series Alarm Disc Security Lock Accessories - Stainless Steel - Sz. 3.3" long x 2.3" high All XX series locks feature a self-arming 120 db lithium powered alarm, shock and motion sensors, maximum security key barrel, ice spray proof body Easy to use push-down locking, 1/4 hardened steel pin 120 db lithium powered alarm Dimensions 3.3 long x 2.3 high