... -friendly; 3.quick delivery , easy operation; Sound sensor lamp holderDescription: Modelwiring method Application QuantityC661-1Two-wireincandescent lamp ... Features and functions:1, Controlled by AF. Automatically detect illumination,When the light is below 7Lux, only make ... 8dB5,sensing light:6Lux±2Lux6,temperature:-20°C~50°C7,dimension:Φ70mm Sound and light control / voice sensor lamp holder ...