- The sound is pure, super loud.
- With mounting bracket,the installation is simple.
- Three different kinds of siren sounds,with microphone functions.
- The supply voltage should meet the operating voltage, or can not work properly.
- The wiring should be correct, otherwise it does not work.
- The speaker wire should be avoided a short circuit.
Material: Durable plastic
Type: Alarm horn
Sound level: 120db
1 x Horn
1 x Microphone
1 x Mounting Bracket