2 inch touch screen: Quickly switch between modes, frame; The perfect shot and check out your footage on the 2 inch touch screen Waterproof + durable built tough and waterproof down to 33 feet (10 meter), Hero goes where your smartphone can't to capture every adventure with no worries Voice control:​ Control your Hero hands free with simple voice commands like “GoPro, start recording” and “GoPro, take a photo ” Wi fi + bluetooth: Connect to the GoPro app to control your camera remotely, check out your shots and share your favorite on the spot Auto offload to your phone when connected to the GoPro app; Your footage moves to the GoPro app which creates fun, shareable videos for you automatically; built in battery (1220mah lithium ion)