The motion sensor sound player's detection range is up to 4 meters, 120° viewing angle. It will trigger the sound to remind you when someone or some animals enter and move in the monitored area.

Music files can be customized, download MP3 or WAV music files via computer. (Recommend Windows 7) MP3 audio files playback, single track or multiple playbacks. This product only supports USB data cable to change voice, not TF card. The card slot is for decoration only.

Indoor festival music decorations, entrance gate greeting, running animal box or alarm. Install front doors, window frames, driveways and anywhere you want to play music to motion.

Recommend installing about 1.5 meters above the ground and 1 meter from the door frame. Customize your chimes, sounds as you like! Included mounting screws, ball mounting accessories, USB cable.

Powered by 3 AAA batteries (not included) and can optionally be connected to DC5V (USB cable included) for external power supply. Please contact us directly via email, we are happy to help you.