NineLeaf Nineleaf Wireless PIR Motion Sensor Detector Security Alarm Chime, Welcome Doorbell, Mailbox Alert, Motion Sensor Doorbell with Night Light for Shop Store Business Office Home Front Door Entry

️5-Mode Motion Sensor AlarmFeaturing Welcome, Doorbell, Alarm, Color Light and Lighting modes, this door alarm sensor provides reliable protection for home, business or other spaces. With LED indicators and a memory function, the receiver automatically retains your last selected settings

️36 Ringtones with 4 Volume Levels up to 113dBProvides Welcome, Doorbell and Alarm modes with 4 adjustable volume levels. Select from 36 ringtones, including 5 welcome chimes perfect for shops. In Alarm mode, a 30-second alert delivers clear and effective notification

️4 Adjustable Brightness Levels in Mute ModeThe Color Light and Lighting modes operate silently with 4 adjustable brightness levels, ideal for those with hearing impairments or households with a sleeping baby. The Color Light mode also offers 4 selectable Colors

️280m Wireless Motion Sensor AlarmWhen the infrared motion sensor detects movement, the receiver emits a loud alarm of up to 113dB, alerting you instantly to activity around your home, shop, or office. With a wireless range of up to 280m (in open space), it provides wide coverage to help protect your property and enhance security

️Expandable Home Alarm SystemFlexible design according to your actual needs. You can choose the quantity of sensors and receivers you need, which can be freely matched to assign special lights to each device. Each receiver can work with up to 32 motion sensors and 8 remotes.

️Easy to Install & UseThe motion sensor is powered by 3 AAA alkaline batteries, while the receiver uses 3 AA alkaline batteries (batteries and USB-C cable not included). Each unit is pre-programmed before dispatch for quick setup. This indoor motion sensor alarm system can be easily mounted anywhere in your home, with installation taking only a few minutes