General description The Wireless Doorbell Electric Door Chime Kit includes 1 receiver and 1 PIR motion detector sensor, providing an effective alert system for various settings such as homes, offices, stores, and hotels. It is designed to notify business owners when customers enter the store or to signal when pets are ready to enter or exit. Technical specifications Working range of receiver: up to 70 meters PIR motion detection distance: 3-7 meters Volume levels: High, Medium, Low Ringtones available: 38 Usage Entry alert Burglar alarm Passage alarm Critter detector Indoor car alarm Warehouse monitor Closet alarm Garage and tool shed monitor Mailbox sensor Front door or walkway detection Other information Package includes: a plug-in electronic receiver, a PIR motion detector (powered by 3 AAA batteries, NOT INCLUDED), and English instructions.