1.Signal for immediate alarm when opening the door 2.Energy saving, power saving, and more worry free 3.Easy installation with double-sided stickers for immediate use, installation in place 4.Multiple triggering modes 5.Compact and portable, with richer application scenarios Material: ABS Battery model: 2 AAA batteries Alarm sound: 110db-120dB Standby time: 7-8 months Multiple alarm modes: Four alarm modes Colour:white Package Contents: 1 x alarm 1 x magnetic strip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Dear customers, welcome to our little store! Here, your satisfaction is our greatest pursuit. Wish you happy shopping! EXCELLENT QUALITY: This product is known for its excellent quality and durability, making it a great choice for you.，PATIENT AND METICULOUS: Our customer service is patient and meticulous, listening to your every need and answering your every question with all our heart. Indoor plants for home decor，Outdoor garden furniture，gardening tools for beginners，Eco-friendly planters and pots，Organic fertilizers for home gardens，Trendy succulents and cacti，Patio umbrellas and outdoor shades，Raised garden beds DIY kits，Hanging planters and baskets，Indoor herb garden kits，Gardening Potting Benches Tables，Potting Bench Sink，Potting Table Or Bench，Potting Bench Cart，Potting Benches，Potting Benches Tables Metal，Potting Benches，Patio and Garden Services，Garden Party-Furniture，Suncast，Patio Furniture Assembly Services，Garden Center，Jute Pillows，Exclusive Fabrics Decorative Pillows，Tufted Pillow，Hand Woven Pillows，Pillow Cording，Blush Fur Pillow，Farmhouse Throw Pillows，Boho Outdoor Pillows，Throw Pillows，Black Outdoor Pillows，White Outdoor Pillows，Home Summer Lookbook Decor