The Orphek Atlantik V4 Gen 2 LED fixture is a high end Reef light with 156 Five Watt LEDs that range from 380nm to 850nm that include full progressive dimming from 0-100%. The Atlantik V4 technology brings built-in wireless control allowing you to easily program, control, and monitor your light(s) from your cell phone or tablet, any time and any place you are in the world, where internet access is available – Internet of Things or IoT. Contains Full dimming capacity in all channels, 0-100% with progressive dimming. Renders most natural appearance to the tank form 10K to 50K Provides enough RED and IR LEDs needed Gives the ability to control and program 200+ individual units! LEDS New 14 different types of Dual chip wide range LEDs. 380nm UV to 850nm Infra red! First company to introduce the Infra red 850nm New Spectrum for better coral growth, color and health. Four separate control and programming channels. Mean Well Driver Model: HLG-240H-48A Input voltage: 100 ~ 240 / VAC277 – VAC for North America only * Orphek Gateway 2 needed to connect the panel to the iphone/android app.