... No need to physically see for motion detection. More... Light Radar Sensor RW-MWTechnical Specifications: Supply: 220-24vac / 100-130 ... , in luminaire, closed sections.Hf system: 5,8 ghz cw radar. Ism band.Distribution power: 10mwMaximum load: 1200w (220-240vac), ... 600w (100-130 vac)Radar Sensor Positions:1) Within closed lights2) Behind closed ceilings or ...