General description The Motion Sensor Doorbell is a wireless outdoor doorbell kit equipped with an infrared motion sensor and plug-in receivers. It is designed to detect motion from a distance of 7 meters at an angle of 120 degrees, ensuring you are alerted to visitors at your home or business. Technical specifications Detection distance: 7 meters Detection angle: 120 degrees Radio frequency: 433 MHz Communication range between sensor and receiver: 200 meters Volume levels: 4 (including silent mode) Alarm options: 4 (buzzer / flash / BUZZER & LED) Number of buzzers: 38 Volume range: 25dB to 80dB Waterproof rating: IP65 Operating temperature range: -20℃ to 60℃ Usage The Motion Sensor Doorbell is ideal for various applications, including: Front doors Window frames Driveways Hiking trails Business entrances It effectively notifies you of customer arrivals, ensuring you never miss a visitor. Other information This outdoor doorbell is professionally tested for durability and weather