Product Name： CW Max Power: 18W Voltage: DC 10-33V Dimensions: 63*93*48mm LEDS: Single 6pcs *3W/ Dual 12pcs 3W Operating Temp.: -30°C to +70°C Protection Level: IP67 Sensitivity: -50+2dB Impedance Max: 2.2K0 1kHz Max Sound Pressure Level: 110dB