S4-711-VAD-HPW GENT S4 Dual Optical Heat Sensor High Power White VADExploring the Features of Honeywell Gent S4 711 VAD HPW Sensor What type of sensor is the Honeywell Gent S4 711 VAD HPW Gent S4 Dual Optical Heat Sensor High Power White VAD? The Honeywell Gent S4 711 VAD HPW dual Optical Heat Sensor is a type of fire detection sensor. It combines two types of sensors, both optical and heat, to ensure early detection of fire. This sensor can detect smoke and heat simultaneously, making it highly reliable and