Welcome to our store！</br>1、Easily mounted by adhesive, just need to peel and stick. 2、Super loud 90 dB alarm, you will not miss it. 3、Magnetic sensor switch to detect entry protecting your home or office whether you are in or out. 4、Super environmental suitability and stability, enjoying hard-wearing quality. 5、Dustproof and insect prevention,long service life of it. <span style="font-size:16px;font-family:Arial;">Easily mounted by adhesive tape to window or door. Magnetic sensor switch detects entry protecting your home or office where you are in or out,suitable for families, apartments, mobile homes, apartments, office buildings, hotel rooms, garages,the ideal entrance warning!</span> <span style="font-size:16px;font-family:Arial;"><strong>Features:</strong></span> <ol> <li> <span style="font-size:16px;">Easily mounted by adhesive, just need to peel and stick.</span> </li> <li> <span style="font-size:16px;">Super loud 90 dB alarm, you will not miss it.</span> </li> <li> <span style="font-size:16px;">Super environmental suitability and stability, enjoying hard-wearing quality.</span> </li> <li> <span style="font-size:16px;">Dustproof and insect prevention,long service life of it.</span> </li> <li> <span style="font-size:16px;">Magnetic sensor switch to detect entry protecting your home or office whether you are in or out.</span> </li> <li> <span style="font-size:16px;">Warning door / window sticker is supplied free in package.</span> </li> <li> <span style="font-size:16px;">Operated by 3pcs of 1. 5V LR44 / AG 13 button cell <strong><span style="color:#E53333;">( included )</span></strong>, ultra-long standby.</span> </li> </ol> <span style="font-size:16px;font-family:Arial;"><strong>Specifications:</strong></span> <span style="font-size:16px;font-family:Arial;">Sensor Type: Alarm</span> <span style="font-size:16px;font-family:Arial;">Alarm Type: Sound</span> <span style="font-size:16px;font-family:Arial;">Material: Plastic</span> <span style="font-size:16px;font-family:Arial;">Color: White</span> <span style="font-size:16px;font-family:Arial;">Size (L * W * H): 6.5 * 3.1 * 2cm / 2.6 * 1.2 * 0.8in</span> <span style="font-size:16px;font-family:Arial;">Package Weight: 34g / 1.2oz</span> <span style="font-size:16px;font-family:Arial;"><strong>Package List:</strong></span> <span style="font-size:16px;font-family:Arial;">1 * Magnetic Sensor</span> <span style="font-size:16px;font-family:Arial;">1 * Magnetic Bar</span> <span style="font-size:16px;font-family:Arial;">3 * LR44 button batteries</span> Satisfaction - Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactoryaftersalesservice</br>