Hi, Dear little angel, welcome to Jacenvly, our products are cheap and good quality, price is fair, you can't miss it. If this product is not your style, please click on our store, we have many kinds of products, there will be you like and suits you. If you have any questions about your purchase, please send us the first message, we offer world class customer service to make your purchase without your worries. Have a nice day. Door And Window Vibration Sensing Alarm 125dB Alarm Volume Domestic Install On Doors Windows Cabinets High Sensitivity Vibration Sensing Easy To Install Features: Product Name: Door and window vibration alarm Material: ABS Product color: Black, White Packing size: 8*8*1.7cm/3.15*3.15*0.67in Gross weight: 50g/0.11lbs Battery type: LR44 1.5V Alarm volume: 125 dB Alarm power: 0.28W Nominal voltage: 3V Rated current: 70mAh Standby current: ≤10μAh Product Description: High sensitivity, high-pitched alarm sound. Door and window vibration alarm, using advanced sensing technology. Your property is safe. You're in control. Small size, big use. This door and window sensor is lightweight, compact and easy to install. The alarm sounds at 125 decibels and the fuselage is 9.5mm thick. Door and window vibration sensor alarm is a portable and compact guard against theft alarm equipment. It can be installed on doors, Windows, safes and other items. When the alarm senses the vibration of the item, it will make a high db alarm sound. High volume alarm can also quickly draw the attention of those around you, alerting them to take action to ensure the secure of you and your property. Easy to use, easy to operate, easy to install. It can be used by tearing and pasting, and does not require cumbersome setup steps like traditional alarms. The alarm has a user-friendly design and an easy-to-understand operating interface that makes it easy to install and use without the need for technical support. You need to follow the steps given in the manual to quickly complete the installation, convenient and practical. Our intelligent door and window sensing alarms have excellent quality and stable performance. In addition to providing round-the-clock protection for you and your family, it can also create a safe living and working environment for you. Whether you are a home user or a business user, the alarm will be your first line of protection to help you build a fortress of security. Package Included: 1*Induction alarm 1*Specification Features: Product Name: Door and window vibration alarm Material: ABS Product color: Black, White Packing size: 8*8*1.7cm/3.15*3.15*0.67in