NineLeaf 5PK Door Alarm for Business when Entering, Commercial Door Entry Alert, Door Chime for Business, for Shops Stores Hotels Offices, 918ft Long Range 4 Volume Levels 36 Tunes LED Flashing Light

NineLeaf doorbell offers five modes: Welcome, Doorbell, Alarm, Color Light, and Lighting Mode. It can detect movement in surrounding areas and trigger alerts to the paired receiver, providing security and safety for your property and loved ones. 5 Languages/36 Ringtones / 4 Brightness and Color / 4 Level Volume Adjustable:5 welcome languages selectable in welcome mode.36 ringtones selectable in doorbell mode.welcome/doorbell/Alarm Mode has 4 levels volume adjustable(Loud/ High/ Middle/ Low ) from 113~25dB.. Color light/ Lighting mode is silent and has 4 levels brightness adjustable, great for people with hearing disabilities or there is sleeping baby in your house. The color light Mode also has 4 colors selectable. Strong transmission range: The transmission range is up to 280m/918ft and detection range approximately 2~8m/ 6.6~26ft to effectively keep you alerted.Place the receiver indoor and put the sensor at other places, such as door entrance, home mailbox, driveway, walking paths, apartment, office, hotel, store, and many other indoor places. DIY Pairing Flexibility: With DIY pairing, you can choose the quantity of transmitters and receivers based on your needs. Each receiver can pair with a maximum of 32 infrared, vibration, magnetic, and other wireless sensor accessories, as well as 8 remote controllers. Easy to Instal:Receiver is self-adhesive installation, the detector is wall mounted. Use batteries or micro USB power supply. Before using, please read the manual carefully and put in batteries (not included), adjust the sensor's angle to avoid false alarming.