●[Product Details] Item Type: Alarm Model Number: CB-6 B Material: Aluminum base Size: about 150mm/5.9" Optional Voltage: DC 12V, DC 24V, AC 110V Current: 60mA Frequency (Hz): 50/60 Decibel (A) 1 m: 95 dB Packing list: 1 x Alarm ●Aluminum Material: This fire alarm is made of high quality aluminum base material, with high hardness and abrasion resistance, and long service life ●Long Operation: This electric alarm has a long lifespan, good sound toning, and can reach a maximum of 95 dB/1 m (95 dB/1 m), allowing you to work for long periods of time without electromagnetic interference ●[Quality assurance] We want you to be satisfied with your purchase as much as possible, and in the event that you are not satisfied with the product (DOACT-JP) for sale, or if the product is defective due to shipping reasons, please contact us, our store (DOACT-JP) will responsibly responsibly ●Scope of application: This safety alarm has a large fire alarm bell that is essential for schools and elevators. High quality fire alarm bell for industrial and construction applications