ContourHD HD Helmet Video Camera for $169.99 shipped after coupon code CONTOURH.  Here is a screenshot for your reference.  This high-definition wearable camcorder captures HD qualiy video in 30 frames per second and has no wires.  It records up to 8 hours of HD video and is just 4 ounces with an anodized aluminum body.  Most places have this wearable HD video camera for about $249.