General description The 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 Effective working range of receiver: up to 70 meters PIR motion detection distance: 3 to 7 meters Volume levels: High, Medium, Low Melodies available: 38 Usage Ideal for alerting business owners when customers enter the store Can be used as a signal for pets to enter or exit Applications include entry alert, burglar alarm, passage alarm, critter detector, car alarm (indoor), warehouse monitor, closet alarm, garage and tool shed monitor, mailbox sensor, and front door or gateway detection