✨【Easy to install】 As for the receiver, no wiring needed, no installation hassles, self-adhesive installation, the detector is wall mounted. Use batteries or micro USB power supply. NineLeaf 5PK Motion Sensor Doorbell, Wireless Infrared Security with... ✨【17 Ringtones & 5 Welcomes Doorbell Rings】Welcome / Doorbell / Alarm / Color light / Lighting Model. The portable design is easy to install in homes, offices, stores, and can also be used for mailboxes, garages, driveways and more. Motion Sensor Doorbell Chime Alarm, Door Bell Chime Barbados | Ubuy Greencycle Motion Sensor Doorbell, Door Chime for Business When Entering, Store Door Entry Bell, Commercial Door Entry Alert, Motion Sensor Detect Alarm, Caregiver Reminder for Elderly, Visitor Bell ✨【Widely Range】 The transmission range of sensor detects motion up to 918 feet (280 meters) and detection range of the infrared sensor approximately 2~8m/ 6., 6~26ft to effectively keep you alerted. You can put the motion sensor detector at the porch, gallery, mailbox and put the receiver in your house. Before using, please read the manual carefully and put in batteries (not included), adjust the sensor's angle to avoid false alarming. HENDUN Motion Sensor Door Chime for Business, Commercial Music Doorbell, Retail Store Welcome Buzzer, Sleepwalker Elderly Toddler Safety Monitor, Pir Detector Alarm, Caregiver Reminder - 1 Receiver & 2 Transmitters | BIG W Also for Kids safety & Caregiver Reminder for Elderly.
