Goolrc Unisex 150Db Industry Security Electric Motor Driven Siren Continuous Alarm Horn Buzzer (220-240V)

GoolRC

150DB Industry Security Electric Motor Driven Siren Continuous Alarm Horn Buzzer (220-240V).Features: 1. Dedicated high quality motor with rotation speeds of 10,000 rpm. Sustainable working hours are over 40 minutes. 2. High speeds motors can produce continuous alarm sound, which can spread over a long distance and up to 150db. 3. The metal protection mesh cover is designed to prevent injury during work. 4. Applicable to the transmission of signals in a variety of cranes, ships, fire alarm syste