The Nuada R3 II LED build-in Phottix LED Ecosystem (ECO1) features the remote control and remains committed to the R3 flicker-free technology and leading colour high accuracy of CRI96 with 136pcs warm color and 136pcs cool color LED bulbs (3200K-5600K). The upgraded power is 50W, soft light in 12mm thick ultra-thin panel as well as scratch-resistant illuminated diffusion. Dimmable colour temperature and brightness with the two parameters can be adjusted from the Phottix LED Ecosystem (ECO1) easy to setup the lighting only via one 2.4G wireless remote control and R3 II control panel within A/B/C groups and 40 channels, Phottix LED Ecosystem (ECO1) compatible with Nuada R4 II and Kali50 LED light. The variable bi-colour with the colour temperature range from 3200K to 5600K. Two ways for supply power available: the AC adapter for indoor use, or two pieces of Sony NP-F type battery (NP-F750 or NP-F970) for on-location use. *Batteries not included.