433 MHz Door Window Sensor A single wireless contact sensor designed to detect open and closed status of doors and windows and report directly to our smart security system. Simple, reliable, and unobtrusive for everyday security monitoring. Key benefits Immediate status reporting to your security system for faster response to unauthorized entry. Simple integration with systems that use 433 MHz radio communication, reducing setup complexity. Lowprofile design that mounts on most door and window frames without drawing attention. Durable enclosure suitable for indoor use and regular operation. Sold as a single unit for flexible placement wherever additional monitoring is needed. How it solves common problems Prevents unnoticed entry by sensing when doors or windows are opened and sending an alert to the central system. Fills gaps in coverage when you need discreet protection for secondary access points or sensitive areas. Lets you expand an existing 433 MHz security setup with a single, purposebuilt sensor for targeted monitoring. Compatibility and performance Operating frequency: 433 MHz. Compatible only with our smart security system that accepts 433 MHz door and window sensors. Wireless communication designed for stable performance across normal household and small business distances. Compact, lowprofile form factor fits most frames and mounting locations. Typical applications Ground floor window protection: place the sensor on basement or first floor windows to monitor possible entry points. Secondary door monitoring: install on back doors, patio doors, or garage side doors to expand coverage beyond the main entry. Small business security: use on display case doors or employeeonly entrances to track access during and after business hours. Package contents 1 x Door Window Sensor for use with our 433 MHz smart security system. Notes Intended for use only with compatible 433 MHz systems. Verify system compatibility before .