If you want a high quality, affordable helmet cam system, this is the one for you. The HC-ECO has 480 Lines of resolution and comes complete with everything you need to connect to your camcorder or DVR including:

Waterproof Sony  Super HAD 480 Line  0.5 Lux Camera. (NTSC only)

HC-MIC2 Stereo high gain miniature microphone

HC-8AAC Covered 8AA Battery pack (powers camera & mic for 8hrs) 
HC-MNT1 Universal Helmet Mount with 2 attachment strips

HC-PDMNT Fully adjustable pedestal mount
2 Extra camera lens glasses
Easy to follow instruction manual

Camera Specifications:

Image Sensor	High Resolution, 1/3" DSP, CCD (Sony Super HAD)
Effective Pixels	NTSC:768(H) x 494(V)
H. Resolution	480 TV Lines(NTSC)
Min. Illumination	0.5 Lux at 2.0
Video output	1.0Vp-p Composite. 75 Ohms
S/N Ratio	More than 50 dB
BLC	Automatic
Shutter Speed	NTSC:1/60.1/100,000 sec
Gamma Correction	R=0.45
White Balance	2100.K .8200.K Auto
Gain Control	4dB~30dB Auto
Smear effect	0.005%
MTBF	80,000 hrs
Power Source	DC12V (Tolerance: 8V~15V)
Operating Current	130mA
Lens	3.6mm (92 Deg)
Operating temp	14°F~122°F (-10°C~50°C)
Humidity	Within 90% RH
Dimensions	0.82" (Dia) x 3.0" (L) (21mm x 76mm)
Weight (approx)	76 grams
Cable	Length: 5', Signal: RCA, Power: 2.1mm Coax