Automatic sound and light control detection for light on/offDurable and energy-savingHigh sensitivity, high light, low consumptionSuitable for corridors, passages, stairs, gardens, yards, etc.Specification:Name: Sound and light control bulbInduction: sound and light controlConnector type: E27Detection range: 4-8MDetection angle: about 360Power: 3W/5W/7W/9W/12WVoltage: AC220VMaterial: PC+ABSColor Rendering: 85Life: >30000hworking principle:1. No matter how loud the sound is during the day, the lights won't work2. When the light is insufficient, the light will turn on when there is a sound3. The light will not work when there is no sound when the light is insufficientIt is not bright during the day and can only work in a dark environment or at night