Working Tips: 1. The motion sensor lamp must be installed vertically. 2. It will turn on for 5 minutes the first time, which is normal. 3. It works for 25-30 seconds when in sensor range. 4. After 30 seconds, if no movement is detected, the lamp will not work. 5. It only works in dark environments or at night. Sensor range: 3-5M. Delay time: 20-30S. The induction lamp can be installed on the ceiling or wall. Q&A: Q: When does the sensor light work? A: It will be bright at night or in a very dark environment. Q: Can the lamp set the induction time? A: It cannot be set. It works through the sensor and does not use the switch to operate. Q: Is it battery style? A: No, it is AC household voltage style. Q: Where can the sensor lamp be installed? A: It can be installed on the ceiling or wall. Q: Which scenarios are used? A: Living room, room, corridor, stairwell, bathroom, porch.