B&H Photo Video offers the Intova DUB 1080p Waterproof Action Camera in Graphite or Forest for $19.99 with free shipping. That's tied with our mention from two weeks ago as the lowest price we've seen. (It's the best deal today by $76.) Deal ends December 27. Features include:

1.5" 480x240 LCD

1080p video recording at 30fps & 8MP photo resolution

108° wide-angle lens

microSD card slot & mini HDMI

waterproof housing (up to 200 feet)