Door Window Alarm Home Hotel Magnetic Sensor Alarm Anti Theft Security Alarm Switch

Feature: 1. Easy to Install: The door window alarm has a simple installation, convenient and time saving, don"t need wiring, too much tools or specialized knowledge. 2. Magnetic Sensor: When the magnetic sensor is separated, the alarm is triggered to indicate that the door or window is open, reminding users to check whether there is a burglar. 3. Various Application: The security alarm is designed to fortify your home with an additional protection, perfect solution for apartments, mobile homes, offices, hotels, garages and so much more. 4. Battery Operated: Window alarm system is powered by batteries, so no electrical outlet or complicated installation is required and don"t need to charge. 5. Safe and Secure: This window alarm can instantly detect any movement in your door or window, sensitive sensor, extremely reliable in any condition. Specification: Item Type: Door Window AlarmMaterial: MetalVoltage: 4.5VBattery: 3Pcs LR44 Button Cell Capacity: 158 mAh (Shipped with Inner Battery)Current: 60mA Volume: 120dB. Package List: 1 x Door Window Alarm1 x Magnetic Bar1 x English Instruction