Chihiros RGB VIVID Mini is exactly a mini version of RGB Vivid II. Hence it designs for small tanks from 40cm to 60cm in length aquarium. Its lighting fixtures are more powerful and colorful. Furthermore, the design of built-in cooling fan help to dissipate heat release from the heat sink.
Also, it has a built-in controller that lets you simulate the sunrise and sunset effects, customize spectrum intensity at each time point, therefore it does not require a timer installation anymore!