High Quality! The sensor remains inactive under light conditions (e.g., during the day). It activates in dark environments, such as at night, and responds to sound. When sound is detected, the connected light turns on compatible with approximately 45 seconds. Precision craftsmanship and reliable percompatible withmance. Automatic operation compatible with energy efficiency. High sensitivity and practical functionality. Durable design compatible with long-term use. Ideal compatible with corridors, bathrooms, warehouses, stairways, and similar areas. Specifications: Product Name: Sound Sensor Switch Light Sensitivity: Activates in dark conditions Model: MR-SK50A Load Power: ≤40W Input Voltage: AC 180–265V, 50/60 Hz Sound Detection Range: 50–70 dB (within 6 meters) Delay Time: 40 seconds ± 10 seconds Photosensitive Threshold: ≤10 Lux Waterproof Rating: IP22 Operating Temperature: –20°C to 45°C Product Dimensions: 38 mm (L) × 28 mm (W) × 16 mm (H) Compatible Lamps: LED downlights, ceiling lamps, panel lights, light bulbs, and other lighting fixtures or electrical appliances. Package Includes: 1 x Sound Sensor Switch