Product Name: Motion Sensor Recorder, Motion Sensor Talking Box, Sound Box, Display Sound Box Model NO.: S-2019 Application: Communication Electronic Products Certification: FCC, RoHS Usage: Promotion Type: Sensor Trademark: AST Transport Package: Carton Origin: China Product Description S-2019 Motion Sensor Voice Module/Motion Sensor Voice RecorderSize: 80x58X37mmRecord time: 6s, 10s, 20s and so onOr Pre-record sound fileDistance Sensor: 2-3metersMotion sensor is connected by wireMemory function when power offPowered by Three PCS AA Batteries.Which is perfect for point of Sale Displays, which with an audible message will help you to raise attention and creat impact.Which also can be used by Store as doorkeeper, message box and so on.