Public sound control numbers are fully functional using table 922S/922 for small, simple and multifunctional maintenance.

Manufacturer	Shenzhen City Public Telemetry Co. Ltd.
Category	Electrical instrumentation
Price	￥148.0

Origin	Shenzhen.
Imported or not	Yes
Brand	Zoyi
Model	ZT-922
Type	Numerical table
Type	Handheld Table
Automatic Scale	Yes.
Break the beep test	Yes.
Diode test	Yes.
Data maintenance	Yes.
Auto Shutdown	Yes.
Outer Size	1258123mm
Battery type	1.5 v AAA Batteries*2
Net heavy	170g (excluding batteries)
Colour	Red ash
Specifications	922 (Intelligent section), 922S (Intelligent sound control), 933S (Voice broadcast value)