XPRESSION 250 TW is Tunable white Fresnel, Pure color temperature, built-in 0-100% dimmer, Beam angle 10°-60° (Manual control), Field angle 18°- 88°, simple and quick adjustment for choosing beam Angle base to different distances and locations, manual CCT bottom on body, FREZNO 250 TW with Tunable CCT 2700k -4500k this model is designed for theater, television, cultural centers, studio, multi-function meeting rooms and other small and medium applications.