Features: 1.Sensitivity Vibration Detection: The device can trigger an alarm even with the slightest vibration, effectively preventing intrusions. 2.Safe Protection: Provides reliable security protection, allowing individuals to constantly monitor their own safety anytime, anywhere. 3.Portable Travel Essential: Compact and lightweight, suitable for travel use, protecting the security of belongings, bring you more convenience. 4.Multifunctional Application: In addition to doors and windows, the alarm can also be used for theft prevention on luggage, bags, and other items. 5.High Grade Manufacturing: Reliable door window alarm is made of ABS, which is resistant to drops and abrasion to ensure long term use. Specification: Item Type: Individual Alarm Material: ABS Battery Type: Lithium manganese battery Battery Model: Button cell Battery Quantity: 2 Battery Capacity: 420 Alarm Decibel: 120 decibel Alarm Mode: Vibration and flashing and sound PackageList: 1 x Alarm