It will detect some level of sound and make flash on with timer.

Timer Sound Detector is also known as sound level meter, decibel meter (dB meter), noise meter, sound pressure level meter and detector some level of meter that will make flash on with timer.


Levels of Noise In decibels (dB) according to American Academy of audiology :
140 dB - Gun shots, fireworks
130 dB - Jackhammers, Ambulance
120 dB - Jet planes taking off
110 dB - Concerts, Car horns
100 dB - Snowmobiles
90 dB - Power tools
80 dB - Alarm clocks
70 dB - Traffic
60 dB - Normal conversation
50 dB - Moderate rainfall
40 dB - Quiet library
30 dB - Whisper
20 dB - Leaves rusting
10 dB –Breathing