Wireless Home Security Door Window Entry Burglar Alarm System Magnetic Sensor Features: New and high quality Super loud 90 dB alarm Convenience in installation--just peel and stick Super environmental suitability and stability Easily mounted by adhesive. Type to window or door. Ideal entry alert for home, apartments, mobile home, offices, hotel rooms, garages, and more! Magnetic sensor detects entry protecting your home or office whether you are in or out Window door sticker is supplied free in package Product Description: Specifications: 1.Sensor type: alarm 2.Alarm type: sound 3.Material: plastic 4.Color: White 5.Main speaker 6.1 × three × 2cm,Magnetic induction part: 5.4x1.3x1.1cm Package Contents: 1 x Magnetic Sensor 1 x Magnetic Stick 【Wide Application】It is a good helper in your study and work, which can make your life and work more relaxed. 【High quality and professional】Practical gadgets for life 【Reusable&Durable】This product is subject to strict quality inspection and can be durable. Please feel free to use it. 【Wide Application】It is a good helper in your study and work, which can make your life and work more relaxed. 【Best Service】We respect and cherish every customer. If you have any questions before or after ordering, please feel free to contact us. We strive to provide services that meet your requirements. If you have any questions about our products, please feel free to contact us directly. We will reply and solve your problem within 24 hours. Happy shopping for you!