Hardware Video — Observant C3™ Tank Level Monitoring Kit — Installation Larry Pitts May 31, 2016 22:28 Updated This video is also available on Vimeo. Links Installation Guide — C3 Tank Level Monitoring Kit How to Sign Up for the Observant Global Software Platform with a C3 Tank Level Monitoring Kit Testimonial Video — Dean Hann, Yabtree West — Observant Tank Monitoring Kit