High Quality! The sensor remains dormant under light conditions (e.g., during the day). It activates in dark environments, such as at night, upon detecting sound. When sound is detected, the connected light turns on for approximately 45 seconds. Precision craftsmanship and stable performance. Automatic control for energy efficiency. High sensitivity and strong practicality. Durable construction. Suitable for corridors, bathrooms, warehouses, stairways, and similar areas. Specifications: Product name: Sound Sensor Switch Light sensitivity: Activates in darkness Model: MR-SK50A Maximum load power: ≤40W Input voltage: AC 180–265V, 50/60Hz Sound detection range: 50–70 dB (within 6 meters) Delay time after activation: 40 seconds ± 10 seconds Photocell threshold: ≤10 Lux Waterproof rating: IP22 Operating temperature: –20°C to 45°C Dimensions: 38 mm × 28 mm × 16 mm Compatible with LED downlights, ceiling lamps, panel lights, light bulbs, and other lighting fixtures or electrical appliances. Package includes: 1 × Sound Sensor Switch