Remote control of greenhouse roller shutter machine, worry free and more efficient! This controller comes with four layers of protection: time limit to prevent over rolling, phase loss protection to prevent faults, overcurrent protection to prevent damage, and can also set a 1-9999 second countdown to automatically shut down. More support for 99 flexible extensions, up to 99 devices can be managed with one remote control, making it easy to get started and eliminating the need for complex operations.








