Working Tips: 1. The motion sensor lamp must be installed vertically. 2. It will turn on for 5 minutes first time. 3. It works for 25-30 seconds when in sensor range. 4. It turns off after 30 seconds if no movement. 5. It only works in dark environments or at night. Sensor range: 3-5M. Delay time: 20-30S. Q&A: Q: When does the sensor light work? A: It works at night or in dark environments. Q: Can the lamp set the induction time? A: No, it works through the sensor. Q: Is it battery style? A: No, it uses AC household voltage. Q: Where can the sensor lamp be installed? A: On the ceiling or wall. Q: Which scenarios are used? A: Living room, room, corridor, stairwell, bathroom, porch.