Performance features:
Small size, light weight, high efficiency.
All-round sound sensor with detection frequency from 1HZ to 3000HZ.
6 sensors can be received at the same time.
Mono or stereo listening options.
Small walkie-talkie probes detect sound waves with air as a carrier.
Operate with a standard alkaline battery.
Storage for two years, battery life is still more than 90% of the rated time.
Due to the special properties of infrasound waves as low as 1HZ, it can also be used for mining rescue.
