The new 0-10 V Pro Grow Smart Controller for LED S Model gives you advanced control over your LED fixtures. It replaces traditional timers and includes many advanced features: • 0-10 V is safe to use and easy to install (RJ-14 Cables). • Control up to 100 x 630 W fixtures with a single room. • Control up to 50 x 650 W fixtures with dual rooms. • Auto dim and auto shutdown function. • Sunrise/sunset feature. • 50% to 100% light dimming capabilities. • 2 x Temperature/humidity sensors (RJ-14 Cables). • Phone to controller Bluetooth capability.