electrical - How can I replace a 3-way light switch with a motion sensor? - Home Improvement Stack Exchange
Single & Dual Pole - SENSORWORX
How to Make and Install a Motion Sensor Light: 3 DIY Methods
Wireless Motion Sensor Under Cabinet Lighting Cabinet Lighting Direct Wire Conversion Box 12V DC Dimmer Switch - China 12V DC Dimmer Switch, Hand Sweep Switch | Made-in-China.com
Replacing 3way switch with motion sensor - DoItYourself.com Community Forums
DOS02-LW - Decora Occupancy Motion Sensor Light Switch, Auto-On, 2A, Residential Grade, Single Pole in White - Leviton
Lutron Maestro Motion Sensor Switch, 2 Amp/Single-Pole, White (MS-OPS2H-WH) MS-OPS2H-WH - The Home Depot