Metro Helsinki: Bogie going over a switch in slow motion (3 fps)
Heath Zenith SL-6107-WH Motion Activated Wall Switch
$16.97
Motion Sensing Wall Switches Type: 3-Way Wall Switch w/Decor Cover Plate Coverage in Square Feet: 900 Color: White…
Leviton IPP15-1LW Decora Manual-On Occupancy Sensor, Single Pole, 3-Way or More Applications, 180-Degree Field of View, 15A-White
$27.90
1800W@120V INC 1800VA [...]