E5BE Window Door Open Contact Burglar Alarm Chimes Anti~Theft for Your home Kid Safe

Features:OOTDTYSafeguards your home with this wirele door alarm acceory, designed for easy integration with your existing doorbell system.Effortlely install and operate this nsmitter, powered by a lasting and featuring adhesive for easy mounting.Perfect for homeowners and office workers looking to expand their current doorbell setups, providing reliable and alerting capabilities.Suitable for various settings including homes, shops, offices, hotels, and counters, ensuring prompt notification when doors or windows are opened.Enjoy the convenience of a wide operating ranges, allowing you to monitors ennces and exits throughout your space.Specifications:Material: plasticSize: approx 5.4x2.7x1.4cm/2x1x0.6inchStaticcurrent: le than 8uALaunchs distance: 120m(open distance)Operating distance: 25-36mmLow alarm: 2.2-2.4Vnsmiion frequency: 433MHzOperating temperature: -10-50℃Installation method: double-sided adhesive tapePaage Includes:1xDoor AlarmNote:Please allow 1 to 3cm error due to manual measurement, please e sure you do not mind before you bid,Due to the difference between different monitors, the picture may not reflect the actual color of the item.