Features:Built with heavy-duty permanent magnet motors, this motor-driven alarm ensures years of reliable service and produces a loud sound for short duty cycles.The angle of the alarm can be adjusted vertically for flexible installation and accurate pointing of the sound to the position you want.The housing and mounting bracket are made of sturdy metal plus ABS resin for easy installation with a simple two-wire connection.AC220V 110V DC24V DC12V voltage specification is available for all vehicles equipped with 12V system. 220V is suitable for transmitting signals in small lifts, transport vehicles, small ship machinery warehouses, etc. Applicable to construction sites, substations, factories, natural disasters and other places and equipment that require safety warnings.High-quality pure copper motor is not easy to generate heat and damage. Stable operation Long service life The rotation speed reaches 10,000 rev or sec.Specifications:Condition: Brand NewMaterial: Metal and Impact Resistant High Quality ABS ResinColor: RedType: Electric motorPower: 40WVoltage: AC240V, AC110V, DC24V, DC12V (optional)Sound level: 120 DBInsulation resistance : 100 M (at DC500 V)Withstand voltage : AC 500 V, 50 or 60 Hz in 1 minutePackage List:1 x Electric Motor Alarm