Turn your GoPro into a long-term time lapse camera. with this great Camdo bit of kit
Time lapse controller for GoPro HERO4 and HERO3+ Black. Turn your GoPro into a long-term time lapse camera capable of running for months. Blink is a low power, Wi-Fi enabled GoPro accessory which fully unlocks the full potential of the GoPro range. The Blink unit allows users to control how and when the camera triggers based on daily or weekly schedules. The Blink unit also allows motion activated use and extended battery options. This module just fits on the back of your GoPro 3, 3+ or 4+ and takes control of the camera. You can set time lapse setting, remote triggers and a whole lot more.
If you have a GoPro Hero 5, 7 or Session, then you will need the BlinkX instead