Cobalt Click is available in standard 120V, 277V, Triac 0-10V dimming and EM configurations.5" Cobalt Click LED Retrofit, 1000lm/12W, 4000K, Haze/White , NLCBC2-55140HZW/10 Cobalt Click Series reflectors simply Click in place on the COB LED engine allowing to change from a standard reflector to an application specific reflector.