Extremely sensitive great for security monitoring higher s/n ratio output line: electric power source, line ground wire, signal wire operating-voltage: 6-12vdc frequency response: 100-7500hz, amplitude:2.5vpp/-30db; bug range:5~80
M**H
Five Stars
ok
P**.
One Star
not bad
S**N
disappoint after being a regular buyer in Amazon.
Was suppose to get set of 4 ...but got only and only 2. Very disappointed .
M**G
awesome
awesome
A**.
One Star
Voice is very noisy
S**R
Four Stars
Good
Trustpilot
5 days ago
1 month ago
