The Chihiros Bluetooth Controller Commander 1 enables you to conveniently control compatible Chihiros LED lights via an app. Lighting times and brightness levels can easily be adjusted via the Bluetooth connection. The controller also offers timer, sunrise and sunset functions to create natural-looking light changes in the aquarium. The Commander 1 is compatible with the Chihiros A and B series, as well as models C 201, C 251, C 301 and C 361. It turns a compatible LED light into a flexible lighting system in no time at all.