Specifications Product Name Indoor Infrared Anti theft AlarmPower Supply 3 AAA alkaline batteries USB C power supplyBattery Life One charge lasts about 4 to 6 months calculated as 10 beeps per day Detection Pyroelectric infrared rays from the human bodyHorizontal Sensing Range 100 degreesRemote Control Battery 1 CR2032 button battery 3 5 years for daily use calculated as 5 times a day Remote Control Distance 30 60 mStorage Temperature 40°C 70°CWorking Temperature 40°C 70°CWorking Humidity 95 Features 1 High Decibel Alarm Generates a 112dB ultra loud sound effectively scaring off intruders 2 Adjustable Volume Equipped with 4 volume levels to suit various scenarios 3 Long Induction Distance Detects movement up to 12 meters away with precise human body sensing 4 Multifunctional Modes Includes arm alert for theft prevention emergency alarm to deter intruders and doorbell mode for gentle alerts 5 Sound and Light Arming Combined audio and visual alerts with flashing red light 6 Curtain Motion Detection Innovative algorithm reduces false alarms while detecting movement through curtains Package Include 1 x Indoor Infrared Anti theft Alarm 1 x Remote Control1 x Screws Pack 1 x Manual1 x Package BoxNote Not Included Battery