Today only, Altatac via Rakuten offers the GoPro HERO6 Black 4K Action Camera for $397. Log in to your account and apply coupon code "SAVE15" to cut it to $347. With free shipping, that's $3 under last month's mention and the lowest price we've seen. (It's the best today by $52.) It's waterproof to 33 feet without a housing and features a 2" touchscreen LCD, up to 4K video recording at 60fps, 12-megapixel still image resolution, three microphones, 5GHz WiFi, Bluetooth, GPS (with data overlay via the free Quik desktop app), microSDXC card slot, micro HDMI, and rechargeable Li-ion battery.