MicroSound Motion Activated Sound Player

Features: Small enclosure with high quality output. Up to 4 minutes of MP3 sound capacity. Two levels of sound volume. Equipped with a PIR motion sensors to trigger audio playback. Detection range up to 12 feet (4 meters.) Uses internal memory (up to 4 minutes) OR leave the micro SD card in the unit and play any sized MP3 file directly from the card. Two modes: repeating (looping) mode and single message mode. Requires a micro SD card to change sound files (user supplied). Very easy to operate! Ball joint style mounting hardware included to install in any orientation. Powered with three AAA alkaline batteries (not included). Dimensions: 2.4" x 3.5 x 1.05" (60*90*26.60mm) Note: This device requires 3 AAA batteries, a micro SD card, and the ability to copy MP3 files to that card in order to work properly. Clear instructions are provided.