Wireless PIR Motion Sensor Detector Home Store Welcome Buzzer Monitor Commercial Door Entry Security Alert for Business Mailbox, Caregiver Reminder for Elderly (1 Sensor & 2 Doorbell)

Welcome Buzzer MonitorOwners can use the doorbell to be alerted when people enter or leave. Use it to detect visitors through the front or back door. The portable design is easy to install in homes, offices, and stores, and can also be used for mailboxes, garages, driveways and more. 36 Ringtones & 5 Welcome Doorbell RingsWelcome / Doorbell / Alarm / Color light / Lighting Mode. The receiver comes with 36 different ringtones, from melody sounds to a simple basic buzzer, for personal preferences, plus 5 welcome ringtones for retail stores.

Wide RangeThe sensor's transmission range detects motion up to 918 feet (280 meters), and the infrared sensor's detection range is approximately 2~8m / 6.6 ~26ft to effectively keep you alerted. When movement is detected by the sensor, the receiver will make an audible sound and the LED light will flash. You can put the motion sensor detector at the porch, gallery or mailbox, and put the receiver in your house. Easy to InstallAs for the receiver, no wiring is needed and there are no installation hassles; it uses self-adhesive installation, while the detector is wall mounted.

Use batteries or a micro USB power supply. Before using, please read the manual carefully and insert batteries (not included), and adjust the sensor's angle to avoid false alarms. Wide ApplicationIdeal for home mailbox, driveway, gallery, gate, doorway, walking paths, door entrance, apartment, office, hotel, store and many other indoor places; not suitable for outdoor use, as the motion sensor door chime is not waterproof. Also for kids' safety and as a caregiver reminder for the elderly