Features 1、High Sound: The high speed motor drives the two ways wind to spiral, producing continuous alarm sounds, the sound is as high as 110dB. 2、Adjustable Base: The angle of vintage siren horn can be adjusted for easy installation, bolts installation is more stable and safer, and easy to use. 3、Excellent Material: Drive alarm is made of ABS, the shell is coated with gray anti rust paint, high strength, corrosion resistance, not easy to age. 4、High Safety: In the event of a crisis, ABS Mini Motor Siren can issue alarms quickly and accurately, which is conducive to evacuation. 5、Wide Application: Electric motor driven alarm can be used in factories, public places, ships, schools and other places. Specification Item Type: Plastic Motor Alarm Product Material: ABS Product Model: MS-290 Rated Voltage: AC 200-240V Sound Form: Continuous Sound Speaker Decibel: 110dB Installation Method: Bolts Installation Scope of Application: For Factories, Public Places, Ships, Schools, Etc. Package List 1 x Plastic Motor Alarm