How to Install : 1. Switch OFF the electricity supply. 2. Install the bulb on the Auto-ON holder. Install this on the wall bulb holder. (Refer box for diagram) 3. Adjust the sensor location using the bendable pipe. 4. Switch ON the power supply. Bulb instantly switches ON, then OFF after 1 Minute of No motion. Allow 5 minutes for sensor calibration initially. If needed, adjust bulb OFF timing with a screwdriver. Time can be from 5 second to 10 minutes. Test the product at factory setting before changing. Bulb Not switching OFF ? ? Move the sensor away from bulb. Close the room. Wait for minimum 5 minute. The bulb should switch OFF. Bulb Not switching ON ? - Try the Bulb at another location. For more details, scan the QR Code provided on the box.