Modes Motion Sensor Alarm: Serves as a motion sensor alert and offers additional functions including Welcome, Doorbell, Alarm, Color Light, and Lighting modes. Motion detectors are essential components of a home security system, capable of detecting movement in surrounding areas such as driveways, front porches, gates, homes, sheds, offices, walkways, swimming pools, and stores, then triggering an alert to the linked receiver. This provides enhanced security and safety for your property and loved ones. 5 Languages, 36 Ringtones, 4 Brightness and Color Options, 4-Level Volume Adjustment: Choose from 5 welcome messages in welcome mode. Select from 36 ringtones in doorbell mode. Welcome, doorbell, and alarm modes offer 4-level volume adjustment. The color light and lighting modes operate silently with 4 adjustable brightness levels, ideal for individuals with hearing impairments or households with sleeping infants. The color light mode also allows selection of 4 different colors. Sensitive Detection with Wide Wireless Range: The motion sensor detects movement across a broad area, with a wireless working range of up to 280 meters (918 feet) between the receiver and sensor. The infrared sensor has a detection range of approximately 4–8 meters (13–26 feet), providing reliable alerts for improved safety. Place the motion sensor at entry points like the porch, gallery, or mailbox, and position the receiver indoors. Expandable Wireless Security System: Designed for flexibility based on your needs. You can add multiple transmitters and receivers, pairing them freely and assigning unique lights or ringtones. Each receiver supports up to 32 motion sensors and 8 remote controls, allowing for a fully customizable setup. Easy Installation and Use: Power the device via USB or batteries (infrared sensor requires three AAA batteries, receiver requires three AA batteries). Both the sensor and receiver include mounting bases. The infrared sensor rotates 360 degrees horizontally and 180 degrees vertically, allowing for flexible positioning and easy installation.