Feature:- The sound is pure, super loud.- Add recording function.- With mounting bracket,the installation is simple.- 3 different kinds of siren sounds,with microphone functions.Notes:- The supply voltage should meet the operating voltage, or can not work
Feature:
– The sound is pure, super loud.
– Add recording function.
– With mounting bracket,the installation is simple.
– 3 different kinds of siren sounds,with microphone functions.
Notes:
– 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.
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