Speco : Speaker Cameras 
Speco Technologies / ProVideo Speco CVC-225ES B/W Extension Speaker Camera CVC225ES

CVC225ES - B/W Extension Speaker Camera Our miniature video camera features a fully operational communications extension speaker. The camera has a 1/3" B/W CCD with a 0.02 lux and 420 line resolution. Its 3.6mm wide angle lens has an electronic iris. A swivel mounting bracket, which allows for both sound projection and video surveillance, along with a 12V DC power supply are included.

Technical Specifications : Resolution Horizontal 420 lines - Vertical 350 lines, Minimum Illumination 0.02 lux , Electronic Shutter Auto 1/50-1/100,000 second , Image Device 1/3" B/W CCD image sensor , Scanning System EIA standard 525 lines 60 fields/second , Number of Pixels 512 horizontal x 492 vertical , Lens 3.6mm wide angle lens, Hor. 72?, Vert. 53? , Scanning Frequency Horizontal 15.75 kHz Vertical 60 Hz, Video Output Level 1.0 Vp-p 75 ohm , Video S/N Ratio Greater than 46 dB , Outputs Video - RCA with BNC adaptor, Power, - DC jack, Operating Temperature 14?F - 122?F , Humidity Within 95% RH , Power Requirements regulated 12V DC power supply included (UL and CSA listed) , Power Consumption 150 mA , Weight 2 lbs. Dimensions 2.5"L x 4.25"W x 4.25"H , Housing Black composite plastic housing , Lens Options :None