The SMSCOM SwitchBox 4L All-in-One combines lighting, fan and heater management for larger grow-room setups.
A built-in timer handles four grow lights, while the dual fan section regulates intake and extraction. Temperature protection can switch lighting down in stages if the room overheats, and the heater output supports stable dark-period conditions.
Key features
- Controls four lights up to 600W each.
- Dual fan control for a combined load up to 1200W / 5A.
- Staged temperature protection keeps one light running while the room cools.
- Heater output up to 2.4kW / 16A.
- Adjustable temperature accuracy around ±1°C.
- 30-minute lamp restart delay.
- Five-year manufacturer warranty.
Check the electrical load of every connected device and follow the product manual or have installation checked by a suitably qualified person.



