Features: This motion sensor alarm is ideal for protecting your property against unwanted intruders. Home security: The alarm helps deter unauthorized individuals from entering your home. Infrared motion sensor: Equipped with a built-in PIR motion sensor that activates the alarm when movement is detected. 125dB loud alarm: Emits a high-decibel sound to alert and enhance safety. Wide application: Suitable for use in homes, garages, and other indoor areas. Note: - Actual color may vary slightly due to lighting conditions. - Allow 1-3cm variation due to manual measurement. Detection range: 4-5 meters, angle: 100 degrees Power supply: DC 6V (requires 4 AA batteries, not included) Remote control range: 4-5 meters Alarm sound level: 105dB Package includes: 1 alarm unit and 2 remote controls per set Package options: 1, 2, or 3 sets of infrared motion sensor alarms