Revon Lighting Type AB obstruction light is one of obstruction light, it combine the type A and type B in one obstruction light. This type obstruction light will emit white color in daytime and red light in night. 24 hours working.  It is  designed for marking top of obstacle which height is between 45 to 150 meters. Ultra high intensity CREE LED is used for the light source ensure light’s long life experience and good performance.