Powerful high-spec speaker, 30W output 300 seconds [Recording and playback function] Volume Control, Alarm Function, SD, AUX and USB Port for Audio Playback
Function- 3 audio modes for recording, alarm, and calling. Recording and playback feature keeps the voice in a dominant position and allows you to hear messages over and over again. Built-in SD and USB Flash Memory Card Reader (sold separately) Built-in rechargeable lithium battery
Mode: Call and siren projection range: 1200 yards * Indoor/Outdoor use * Ergonomic handle lamp base output: 30 watts * Built-in SD card and USB memory card reader Power supply: Rechargeable battery * MP3 player or plug-in external device and 3.5mm Aux In Jack box includes: speaker clutter.