General description The BeiLan Wireless Doorbell Electric Door Chime Kit includes 1 receiver and 1 PIR motion detector sensor, providing a reliable visitor alert and security alarm system. It features 38 melodies and 3 volume levels, making it suitable for various environments such as homes, offices, stores, and hotels. Technical specifications Receiver effective working range: up to 70 meters PIR motion detection distance: 3-7 meters Power supply for PIR motion detector: 3 AAA batteries (not included) Volume levels: High, Medium, Low Melodies: 38 ringtones available Usage This doorbell kit is ideal for multiple applications, including: Entry alert Burglar alarm Passageway alarm Critter detector Indoor car alarm Warehouse monitor Closet alarm Garage and tool shed monitor Mailbox sensor Front door or walkway detection Other information Two working modes: single LED light flashing or both sound and LED flashing Package includes: a plug-in electronic receiver, a PIR motion detector, and