WF II-H is a relay with integrated electronics for detection of vehicle movements, and for control of the vehicle's existing brake light and warning indicators. WF II-H meets all the requirements set for the flashing brake light. WF II-H is designed for heavy vehicles.

WF II-C is a relay with integrated electronics for detection of vehicle movements and the control of the vehicle's existing brake light and warning indicators. WF II-C to meet all the requirements set for the flashing brake light.

WF II-2WS is a relay with integrated electronics for detection of vehicle movements, and for control of the vehicle's existing brakelight and warning indicators. Note that WF II-2WS not meet the requirements set for the flashing brake light when it is equipped with a extra function to flash violently when the brakepedal is touched to next turn to the stable light. This is to draw extra attention by motorists.

WF II-2W is a relay with integrated electronics for detection of vehicle movements, and for control of the vehicle's existing brakelight and warning indicators. WF II-2W to meet all the requirements set for the flashing brake light. WF II-2W is designed for motorcycles and ATV

WF I is an active third brake light with integrated electronic fordetection of the vehicles movement. Recommended mounting is in the rear window of a car or RV.