2pcs Red LED Signal Lights 220V Acoustic-Optical Alarm System Rotating Strobe LED Emergency Light

Using high quality materials, not easy to damage, long service life. Super bright LED alarm, long service life. Easy to use and install, can be easily installed anywhere with the bolts on the bottom. 120 decibels and rotating light make the alarm more obvious. Suitable for hazardous areas such as workshops, crane towers, road construction sites etc.