GearBest offers the Elephone Explorer Pro 4K WiFi Action Camera in Black or Silver, model no. NTK96660, for $107.99 with free shipping. That's the lowest total price we could find by $2. It features a 2" TFT display, up to 2160p resolution (4K), video recording at 24fps, WiFi, mini USB, microSD card slot, up to 98-foot water resistance, and built-in rechargeable battery.

Note: This item ships from mainland China and may take three to four weeks to arrive.