Sensky 3 in 1 PIR Motion Sensor Light Switch with Occupancy Sensor/Vacancy Sensor/On-Off,2-Wire Technology, 5A, AC110~265V,PC Fireproof(No Neutral Wire Required)

✅ 【2-Wire Technology Infrared motion detector】No Neutral Required,2-Wire operation is reliable, energy-efficient, and cost-effective.Automatic motion sensor switch based on infrared PIR technology. Very easy to install and calibrate.Just by pressing button to adjust delay-time and light sensor, don’t need to open the cover and adjust the value with a screwdriver, this save you the hassle.