Solar-powered irrigation controller with auto and manual modes, adjustable runtime from 1 to 720 minutes, rain delay, built-in Li-ion battery, no power connection required, for G3/4 and G1 faucets Cellfast is a leading European manufacturer of garden products, garden tools, and technical systems. With over 30 years of experience, the company combines innovative design with high-quality in-house production. Thanks to modern technologies, a wide product range, and international recognition, Cellfast ranks among the strongest brands in the gardening industry.