130‑Loud High‑Decibel Alarm Deterring Intruders: Boasting up to 130dB piercing, loud alarm sound, this door window sensor alarm triggers instantly once the magnet‑sensor pair gets separated. The multi‑frequency sound can be clearly heard up to 15 meters away, effectively scaring off potential thieves and giving you timely warning for home, apartment, rental house.

No‑Drill Easy Installation & Bidirectional Mountable Design: No screws or drilling required. Simply peel off the adhesive tape and stick the alarm main unit and magnetic block on doors, windows, cabinets or storage boxes. The reversible installation design supports diverse mounting angles, perfect for renters who cannot damage walls or door frames.

5 Selectable Working Modes for Multiple Scenarios: Comes with 5 switchable functional modes to fit different usage demands. You can set it for burglar deterrent, door‑entry chime, vibration trigger alert and more. Ideal for home security, kid safety alert, cabinet anti‑theft and store entry reminder.

Ultra‑Low Power Consumption & Extra‑Long Standby Time: Adopts optimized low‑power chip solution with only 0.5W standby power consumption. Powered by common batteries, it delivers super‑long standby performance without frequent battery replacement. Reliable 24/7 monitoring keeps protecting your property day and night1688.
Wide Application for Indoor Security Protection: Compact‑sized window door alarm fits most wooden doors, sliding windows, cabinet doors, garage access and pet gates. Great choice for rental apartments, dormitories, vacation houses, elderly care rooms. Provides affordable and reliable anti‑theft protection without complex wiring or an expensive home security system.