1,Equalizer car stickers 2,Voltage: DC12V/24V 3.Slim smooth ,light weight 4, ... 60-120 30-70 Voltage: 110V Operation Voltage Range: 30~250V Optimum Operation Voltage: 60~110V Frequency: 400Hz Operation Frequency Range: 50~3000Hz ... Optimum Operation Frequency: 400~1200HzThe brightness will be increased when the voltage and frequency ...