100% brand new and high quality. Super bright LED alarm, long service life. Easy to use and install, it can be easily installed anywhere with bolts on the bottom. 120 decibels and rotating light make the warning more obvious. Suitable for dangerous areas like workshop, crane tower, traffic construction etc. Type: BEM-1101J Operating Voltage: 220V Operating Current: 2A Power: 20W Decibel: 90-120db Fixed Mode: Bolt Colour: picture color Material: AS+ABS+metal Size: 9*9*17cm Package Contents: 1 * Warning Light