... Horn Siren,Alarm Horn,Car horn, horn speaker 1.Built-in audio speaker 2.Support 10W audio output 3.built-in ... -flash Re-programmable Horn Siren,Alarm Horn,Car horn, horn speaker FeaturesAudio format : wav , 16bit, mono sampling rate supports ... 8mm*7.5mmConnection 1. WT5802F01 Voice Prompter 2. GND wire 3. Elevation of PCB 4. Negative side of PCB ... -programmable Horn Siren,Alarm Horn,Car horn, horn speaker