This Wireless Door Window Sensor is a compact, wireless detector designed for home security and kid safety. It detects when a door or window opens and sends realtime alerts to the Tuya App via WiFi. The unit is easy to install and comes in a 1 pack. Key benefits and features Realtime alerts via Tuya App: receive immediate notifications on your phone when a monitored door or window opens, enabling quick awareness and response whether you are at home or away. Wireless and easy installation: no wiring required; simply mount on the door or window frame and start monitoring within minutes. Tuya App compatibility and smart home integration: works with the Tuya App to monitor events and supports automation with other Tuyaenabled devices. Compact design for flexible placement: unobtrusive sensor suitable for doors, windows, and various rooms without drawing attention. Reliable performance: designed to provide timely updates to your devices for better situational awareness. Key attributes Functionality: wireless door/window sensor with realtime app alerts for security and safety. Compatibility: Tuya App ecosystem and WiFi connectivity for remote monitoring and automation. Size: compact and unobtrusive, designed for placement on doors and windows. Installation: easy setup with no wiring required; quick mounting suitable for indoor use. Performance: prompt notifications to the Tuya App to help you respond quickly. Three practical use cases Home security monitoring: place on the main entry doors or windows to detect and alert you if opened, enhancing perimeter awareness. Kid safety and supervision: install on children's bedroom or nursery doors to alert caregivers if a door is opened, supporting safer home routines. Smart home automation: use with the Tuya App to trigger other devices (such as cameras, lights, or alarms) or to create customized automation scenes when the door or window opens. Package and applicability 1 PACK included for immediate setup. Suitable for indoor use on doors and windows where quick, unobtrusive monitoring is desired. This product aligns with Tuya App capabilities for realtime alerts and smart home integration, delivering a straightforward, reliable solution for household security and safety needs.