Features DURABLE MATERIAL: The industrial alarm is made of durable and strong metal material with a gray paint finish, which can effectively extend the service life and bring an obvious warning effect. APPLICABLE SCENARIO: The industrial alarm can be used in mines, blasting, prisons, tanks, power plants and other alarm systems; Suitable for use on boats, public transport, ambulances and other means of transportation. Can also be used in automatic cabin and building anti-theft systems EXCELLENT PERFORMANCE: Motor speed up to 1000 rpm. Sensitive trigger brings excellent alarm performance. Decibels can reach 120 dB. ELECTRIC DRIVE: The alarm drives the wind spiral alarm through the motor to make a sound, so that the sound of the electric drill is emitted. Easy installation: The siren motor adopts a fixed base installation and can adjust the nozzle from top to bottom. Specification: Item Type: Industrial Alarm Power frequency: 50-60Hz Operating current: 3A Power supply: 40 W. Operating temperature: -30℃~70℃ Volume: 120 dB. Sound Type: Continuous Sound Colour: grey. Installation method: fixed with screws at the bottom Package list: 1 x industrial alarm. Package List 1 x Industrial Alarm