Work Principle: Sound Sensor / Voice Induction Lamp: The lamp lights up continuously for approximately 1 minute after being powered on, then turns off automatically. Please wait about 15 seconds for the sensing mode to activate. Features: - Automatic PIR motion detection or sound sensor for light activation/deactivation - Durable and energy-efficient - High sensitivity, bright output, low power consumption - Suitable for corridors, pathways, stairs, gardens, yards, etc. Specifications: - Light Color: White - Base Type: E27 - Detection Range: 5 m - Detection Angle: Approximately 120° - Power Options: 3 W / 5 W / 7 W / 9 W / 12 W (Sound Sensor model) - Voltage: AC 200–240 V Installation & Operation Instructions: 1. Install the bulb near stairs, ideally with the bulb head oriented toward an entrance or exit. 2. Keep the bulb away from heat sources such as heaters, air conditioners, refrigerators, and stoves, as elevated ambient temperatures may trigger false activation. 3. Avoid placing shields, furniture, or large objects near the bulb. 4. Do not install the bulb facing windows to prevent interference from airflow or ambient light, which may cause unintended activation. 5. Avoid installing near gates or areas with frequent airflow. Troubleshooting: 1. Upon installation, the bulb may briefly light up and turn off. Occasional activation may occur due to nearby animal movement, proximity to heat sources, or improper mounting angle. 2. If the bulb cycles—lighting every 8 seconds and turning off every 30 seconds—check for nearby movement (people or animals), or test the bulb in another location.