Features: High sensitivity, stable performance, and durability Ideal for use in corridors, bathrooms, warehouses, stairs, and other areas Sensor remains in a dormant state under sufficient light conditions, such as during daylight hours When sound is detected, the control light turns on for approximately 45 seconds Operates based on sound and light control; functions in dark environments, such as at night Specifications: Material: ABS Style: With Light / Without Light Size: Approx. 86 x 86 mm (3.38 x 3.38 inches) Delay Closing Time: 45 seconds Working Voltage: 220 V Induction Principle: Sound and Light Control Note: Please allow 1-2 cm variation due to manual measurement. Ensure you are comfortable with this before ordering. Due to differences in monitor displays, the actual color of the item may vary slightly from the image. Package Includes: 1 x Switch (With Light or Without Light)