Key benefits - 125 dB audible alarm deters intruders and quickly alerts you to unauthorized access. - Wireless design enables easy installation without complex wiring and works well on both sliding doors and windows. - Simple to use with quick activation and deactivation, making it suitable for all household members. - Ultra-thin profile and tape-only installation; no drilling or wiring required. Just attach to the door or window and activate. What to expect - Function: door alarm sensor with a loud siren to warn and deter. - Compatibility: suitable for sliding doors and windows. - Size/design: ultra-thin, low-profile installation intended for quick placement. - Performance: reliable 125 dB alarm to provide immediate audible feedback. Use scenarios - Protect a patio or balcony with a sliding glass door by mounting the sensor on the door frame for rapid alert in case of unauthorized access. - Secure ground-floor or first-floor windows in living areas or bedrooms to deter break-ins when you are away or during nighttime. - Secure entry doors or display windows in small offices or shops after hours, providing audible notification if the door or window is opened.