Passcode protected, powerful siren 110dB sounds when any activity is detected by PIR movement sensor 120 degree approximately) wide angle detection with multi-directional mounting bracket 2 Settings - chime sound (alert mode) & 110dB siren (arm mode) selection Use in conjunction with other alarm products to maximize your safety Powerful 120 Db Siren Sounds When Any Activity Is Detected By Pir Movement Sensor 120° Wide-Angle Detection 2 Settings-Chime Sound In Alert Mode & Siren In Arm Mode Compatible With External Siren, Magnetic Sensor Or Shock Sensor Easy To Use With Entry & Exit Delays Passcode Protected Motion Alarm- Powerful 110dB siren sounds when any activity is detected by PIR movement sensor; 120° wide angle detection with multi-directional mounting bracket; chime/alarm settings; use in with other alarm products.
We have used these type of alarms in several homes over the years. We use them as a deterrent. If someone enters our house or a room, then they'll be surprised by the alarm. It's simple, well made, and practical. Volume is sufficient. No false alarms or problems. We've used this unit about four months now. Battery still strong after this period of time. We had it armed for two weeks during the Christmas break and it held strong..