General description Motion Detector Alarm is a wireless PIR alarm set designed to enhance security by notifying you in advance when guests or intruders arrive. It features a communication range of up to 100 meters between the infrared receivers and the receiver, making it suitable for various applications such as entry alerts, anti-intrusion alarms, and more. Technical specifications Communication range: up to 100 m Infrared receiver range: 3-7 m Power supply (receiver): AC 110-240V Power supply (transmitter): 3 x 1.5V AAA batteries (not included) or 5V DC adapters (not included) Volume levels: High, Medium, Low Ringtones: 38 selectable ringtones Usage The Motion Detector Alarm can be used in various settings, including: Entry alert Anti-intrusion alarm Passageway alarm Bug detector Security alarm for indoor spaces Warehouse monitoring Power closet alarm Garage and tool shed monitoring Mailbox sensor Front door or walkway detection