Cli-Mate Relay Box is a switch device for safe, timed control of horticultural lighting. The RC‑2010D series integrates a mechanical timer and high-quality relays inside a slim, splash-proof IP44 enclosure. Units are offered with 4 × 600 W or 8 × 600 W lamp outputs, with fuse protection. A separate heater contact up to 3500 W allows nighttime heating when lamps are off. Supply voltage is single-phase 220–240 V, 50 Hz. The case measures 240 × 190 × 100 mm. Designed for straightforward installation, it centralizes on/off scheduling for multiple grow lights while offloading current from small timers. Intended for indoor cultivation environments requiring reliable light switching. Fuse protection and a clear timer dial simplify daily scheduling.