Wireless Doorbell Electric Door Chime Kit with 1 Receiver and 1 PIR Motion Detector Sensor Visitor Alert Security Alarm with 38 Melodies at 3 Volume Levels

General descriptionThe 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 specificationsEffective working range of receiver: up to 70 metersPIR motion detection distance: 3-7 metersPower supply for PIR motion detector: 3 AAA batteries (not included)UsageIdeal for alerting business owners when customers enter the storeCan be used as a signal for pets to enter or exitApplications 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 walkway detectionOther information2 working modes: single LED light flashing or both sound and LED flashing3 levels of volume adjustment: High, Medium, or Low38 ringtones available for selectionIncludes a plug-in electronic receiver and English instructions