PIR Motion Sensor that will play MP3 sound files after sensor activation. Includes Multi-track playback feature. Upload your own MP3 voice messages, music or sound effects. Perfect Accessory for Halloween and Christmas Parties Your MP3 sound file will playback automatically after the PIR sensor detects movement. Create an audible caution for a hazardous area or offer support with step by step instructions to assist people with Dementia and Alzheimer's. Use as an audible security alarm. Raise attention and create impact by adding a speech, music or sound effects to a point of sale display. Download your own speech, music or sound effects. Transfer your MP3 sound files via the USB socket. Your MP3 files will playback automatically when the PIR sensor is activated. APPLICATIONS: Create an audible warning for a restricted area. Audible reminders or procedures to assist people with low vision or memory loss Audible security alarms. Create a special door entrance greeting. Raise attention and create impact by adding a speech, music or sound effects to a point of sale display. FEATURES: Upload MP3 sound files with speech, music or any sound effect Update and change your messages as many times as you wish High quality MP3 sound output Unit will store multiple MP3 files to enable a looped playback Two playback settings: Single Track or Multiple Tracks In Multiple Track Mode one track will play after each activation, (in file name order) Multiple Track Mode will NOT playback randomly Two volume settings: Low and High Two power supply options: 3 x AAA Batteries or Mains Power Adapter, (bought separatelynot included) File transfer using the built-in Micro USB cable supplied Audio playback format: MP3 format only Sensor activation distance: Up to 4 metres with a 120 Deg Angle Internal Memory: 4MB Recording time: Approx. 4 minutes, (calculated at 128Kbps MONO bitrate)