Nineleaf 3Pack Wireless Motion Sensor Door Chime, Business Entry Doorbell Indoor, Motion Detector Buzzer, Motion Sensor Alarm (500Ft Range, 32 Tunes, 4 Volume Levels, Adjustable Brightness)

NineLeaf doorbell offers five modes: Welcome, Doorbell, Alarm, Color Light, and Lighting. It detects movement in the surrounding areas and triggers alerts to the paired receiver, ensuring security and safety for your property and loved ones. 5 Languages/36 Ringtones/4 Brightness and Color/4-Level Volume Adjustable: Choose from 5 welcome languages in welcome mode and 36 ringtones in doorbell mode. The welcome/doorbell/alarm modes feature 4 adjustable volume levels (Loud/High/Middle/Low) ranging from 113 to 25 dB. The color light/lighting mode is silent and has 4 adjustable brightness levels, ideal for people with hearing impairments or when there is a sleeping baby in the house. The color light mode also offers 4 selectable colors. Strong Transmission Range: With a transmission range of up to 280m (918ft) and a detection range of approximately 2-8m (6.6-26ft), you'll stay effectively alerted. Place the receiver indoors and position the sensor at various locations such as door entrances, mailboxes, driveways, walking paths, apartments, offices, hotels, stores, and many other indoor spaces. DIY Pairing Flexibility: Customize your setup with DIY pairing, allowing you to select the number of transmitters and receivers according to your needs. Each receiver can pair with up to 32 infrared, vibration, magnetic, and other wireless sensor accessories, as well as 8 remote controllers. Easy to Install: The receiver features self-adhesive installation, while the detector is wall-mounted. Power the device using batteries or a micro USB supply. Before use, read the manual carefully, insert the batteries (not included), and adjust the sensor's angle to avoid false alarms.