Infrared Motion Sensing : Our commercial door motion detector uses advanced infrared technology to accurately detect motion up to 25 meters away, ensuring you never miss a visitor. Adjustable Delay Time : Customize the detection delay between motion sensor alarms from 15 to 30 seconds, ideal for optimizing security and efficiency at your location. 38 Customizable Ringtones : Choose from a variety of melodies to match your brand's personality, creating a welcoming atmosphere for your customers. Volume Control & Language Options : Adjust the volume in 4 levels and select from 7 languages to cater to your diverse clientele. Wire-Free Installation : Easy to set up, this door chime can be quickly mounted without the hassle of wires, enhancing both convenience and aesthetics. Enhance your business's first impression with our state-of-the-art Motion Sensor Door Chime, designed to greet every visitor with sophistication and reliability. Perfect for shops or stores seeking to elevate their customer service experience, this device ensures that no one goes unnoticed. 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.