1. Operating Range: Up to 918 ft 2. Chime Tunes: 36 Selectable Chimes 3. Volume: 4 Volume Levels, from 25 dB to 113 dB 4. LED Flashing Light: 4 Colors (Red, Blue, Green, White), 4 Adjustable Brightness Levels 5. Modes: Welcome / Doorbell / Alarm / Colorful Light / Night Light 6. Compatible with up to 32 magnetic sensors, vibration sensors, or PIR motion sensors 7. Suitable for business, office, store, garage, apartment, home security, child safety, and shop door entry 5 Modes: 1. Welcome Mode: Pre-recorded “Welcome” message in 5 languages, ideal for shops, stores, restaurants, and supermarkets 2. Doorbell Mode: Door-open chime with 36 selectable tunes 3. Alarm Mode: Up to 113 dB alarm sound for intrusion deterrence and alerting 4. Colorful Light Mode: Silent operation with 4 color options, suitable for quiet environments 5. Night Light Mode: Activated by magnetic sensor; functions as a floodlight with 4 adjustable brightness levels Color: White Material: ABS Package Contents: 1 x Transmitter 1 x Receiver Note: The actual product color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.