Details Shock & motion sensor-triggered alarm built right in Shock & motion sensors trigger a piercing 120dB anti-theft alarm powered by a single CR2 long-life Lithium battery. Self-arming, with no on-off switch, re-sets to armed mode within 15 seconds. One year battery life. The alarm module slips out for easy servicing/battery changes. Lock specs • Double-Locking • High-Security Key • Ice Spray-Resistant Barrel • 10mm Carbide-Reinforced Locking Pin Alarm specs • 120dB Alarm • Auto Arm/Disarm • Shock & Movement Sensors Included • 1 XENA XX10 Disc-Lock • 1 CR2 Lithium battery • 3 Keys, 1 user manual • 1 Metal key code tool