1,尺寸:250mm×480mm×220

2,输出声量:115DB

3,电压:DC12 DC24 DC48 AC36V AC110V AC220V AC380V

4,防护等级:IP56

技术指标（INDEX)

型号(Model)             SJ-2                     SJ-2L

尺寸(Size)              250 × 480 × 220         250 × 480 × 220

颜色(Colour)            红、黄、蓝
(Red Yellow Blue)       红、黄、蓝
(Red Yellow Blue)

输出声级(Output)         115dB                    115dB

防护登记
(Protection Rank)       IP56                     IP56

灯泡(Bulb)              21W                      超高亮度发光二级管

电压(Voltage)           DC12V DC24V AC36V AC110V AC220V AC360V