Today only, Mar 11, 2015, Groupon has the GoPro HERO4 SILVER 4K Action Cam for $341.99 (399.99 – 20 instant savings – 38 coupon) or the GoPro HERO4 SILVER 4K Action Cam for $431.99 (499.99 – 20 instant savings – 48 coupon) with Free Shipping. To get discount, use the coupon code: TAXHACK10 at checkout.

Walmart has the GoPro HERO4 SILVER 4K Action Cam, model no. CHDHY-401, bundled with a $50 Walmart Gift Card for $399.99 with Free Shipping for a limited time.

The GoPro HERO4 Silver Action Camera features 1080p high-definition video recording, touch-screen display, ultrawide-angle glass lens, QuikCapture, built-in microphone, built-in Wi-Fi and Bluetooth, and waterproof housing (up to 131 feet).

The GoPro HERO4 Black Action Camera features 4K high-definition video recording at high frame rates, 2X the Processing Power of the Silver Model, ultrawide-angle glass lens, QuikCapture, built-in microphone, built-in Wi-Fi and Bluetooth, and waterproof housing (up to 131 feet).