WSRM---Tube lights with sound sensor controller or dimmable controller,Sound sensor inside the tube lights ,decibel can be adjustbale.brightness can be dimmbale. usually used in commercial indoor lighting . Especiall for workshop\office\supermarket\school\hospetal\hotel\corredor \passage\underground parking garage\etc.
Whitesunredmoon provide high quality tube lights.
PMA and TRIAC controler can dimmbale the brightnees ,make the lights follow ur request.
nice feeling of the tube lights!