Replaceable Voice PIR Infrared Motion Sensor Activated Welcome Doorbell for Shop Store Christmas MP3 Audio Files to Play Speech，Sound Player Speaker w

Replaceable Voice PIR Infrared Motion Sensor Activated Welcome Doorbell for Shop Store Christmas MP3 Audio Files to Play Speech，Sound Player Speaker with USB Cable(White) Brand Waytronic Color White Power Source Battery Powered Item Weight 2.4 ounces Maximum Range 4 Meters Mounting Type Door, window mounting Music files can be customized, Download MP3 or WAV music files by computer. (Recommend the Windows 7 ) MP3 audio files playback, single track or multiply play.This product only supports USB data cable to replace voice, not TF card.The card slot is for decoration only.(Part of the audio has been downloaded for the initial product, if you need to change it, please connect to the computer to replace the audio) Motion sensor audio player ' s detection range is up to 13ft(4m), 120° view angle. It will trigger the sound remind you when someone or animals enter and move in the monitored area. Endless Applications:★ (for Indoor Use): Perfect for elderly or those with memory loss that need reminders, point of sale advertising, exhibits, tradeshows, door greeter / welcomer, holding instructions for others while you are away, or block embarrassing bathroom noise. ★(Outdoor use): Install front doors, window frames, driveways, and anywhere you want to be playing music to motion.★(Other uses)Indoor festival music decorations ,halloween and christmas party fun music,entrance door greeting, driving animals soundbox or alert. Operates with 3 AAA batteries (Not Included) and optional to be plugged in DC5V (USB Cable Included) for external power supply. (If you have any questions about the product, please contact us immediately and we will reply you within 24 hours.) Customize your chimes, your MP3 sound file will playback automatically after the PIR sensor detects movement. sounds as you wish! Included mounting screws, ball mounting accessories, USB cable.