Features: and high quality High sensitivity, stable performance, and durability Suitable for use in corridors, bathrooms, warehouses, stairs, and similar areas Sensor remains in a dormant state under sufficient light conditions, such as during daytime When sound is detected, the control light turns on for approximately 45 seconds Operates based on sound activation and functions in dark environments, such as at night Compatible with various sound inputs for control 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 measurement deviation due to manual measurement. Due to differences in monitor displays, the image may not reflect the actual color of the product. Package Includes: 1 x Switch with Light / Switch Without Light