1. Operating Range: Up to 918ft 2. Chime Tunes: 36 Selectable Chimes 3. Volume : 4 Volume Levels from 113dB to 25dB. 4. LED Flashing Light: With 4 colors LED light, Color or Red or Blue or Green, 4 levels adjustable brightness 5. Mode: Welcome or Doorbell or Alarm or Colorful light or Night Light Mode 6. Available for pairing, extendable up to 32 magnetic sensor or vibration sensor or PIR motion 7. Great for business or office or store or garage or apartment or home security, kids safety, shop door entry chime 5 Modes: 1. Welcome Mode: 5 language of "Welcome", suitable for shops, stores, restaurants, supermarkets... 2. Doorbell Mode: door open chime, 36 selectable chimes tunes for 3. Alarm Mode: up to 113 dB alarm, effectively help to deter the intruder, wake or alert you if and possibly alert neighbors 4. Colorful Light Mode: no sound, 4 colors for , suitable for quiet environment 5. Night Light Mode: Can be floodlight, when the magnetic sensor activated, the receiver automatically turn on the light, with 4 adjustable levels brightness Colour:White Material:ABS Package Contents: 1 x Alarm 1 x Receiver Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.