Industrial Covert Unlimited is in its 20th year of operation. CU1.COM has been up since mid 1999. Great security & CCTV products and people who answer the phone!
Check this out!
ETS ML1-W Weather Resistant, Surface Mount, Un-Pre-Amplified Omni-Directional Microphone
The ETS ML1-W is a low cost, weather resistant omni-directional electret microphone for use with I/P cameras accepting microphone level input signals (PC compatible input). The attached cord is 6' long and comes standard with a stereo 3.5mm connector on one end.
The ML1-W's 3.5mm connector can be removed and the cord can be directly connected to cameras with terminal blocks. Note: The camera must accept electret type microphone inputs (camera supplies power to ECM cartridge).
NOTE: It is the responsibility of the installation company and end user to install this audio surveillance equipment in compliance with state and federal privacy laws. If you are unfamiliar with these laws, consult a qualified attorney.