Item Type: Industrial Alarm Power Frequency: 50-60Hz Working Current: 3A Power Supply: 40W Operating Temperature: -30℃-70℃ Volume: 120dB Sound Type: Continuous sound Colour: Grey Installation Method: Fixed with screws at bottom 1,APPLICABLE SCENARIO: Industrial alarm can be used in mine, blasting, prison, reservoir, power station and other alarm systems Suitable for use on boats, public transport, ambulances and other means of transport. Can also be used in automatic cab and building prevent theft systems 2,DURABLE MATERIAL: The industrial alarm is made of a durable and strong metal material with a gray paint finish., which can effectively extend the service life and bring obvious warning effect 3,ELECTRIC DRIVE: The alarm drive the wind spiral alarm through the motor to make a sound, so that make the sound of electric drill 4,EXCELLENT PERFORMANCE: Motor speed up to 1000RPM. Sensitive trigger bring excellent alarm performance. Decibels can reach 120dB 5,EASY INSTALLATION: Motor siren adopt fixed base installation and can adjust the tuyere up and down1 x Industrial Alarm