Sell 4 inches Fire Alarm Bell 95dB Red Industrial Building Elevator Alarm Bell Home Security best price

★Features★ Pure copper electromagnetic coil with discontinuity and no electromagnetic interference. Strong tapping, stable operation and long service life. Hard metal shell, not easy to deform, the sound reaches 100db, and it is farther and safer. The surface is coated with electroplating technology to make the material more anti-corrosive and less prone to rust and corrosion. Portable wired power supply, easy to install, can be installed on the wall, ceiling and other installation methods. Choose 12V / 24V / 220V according to the voltage you use ★Specifications★ Product Name : Electric Bell Rated Voltage : AC 220V Top Diameter : 100mm / 4 inch;Base Diameter : 115mm/ 4.5 inch Overall Height : 5cm/ 2 inch;Material : Metal, Plastic Color : Red; Weight : 378g Metal bell and plastic base, round, designed with 2 wires.Suitable for residential building, office, factory, schools, shops, hotel, factory, public places, etc ★Package Included★ 1 x Fire alarm bells ★Notice★ 1. Please allowed 1-5mm differences due to manual measurement, thanks. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. If you have any doubt , please feel free to contact with us~ Hope you enjoy your shopping tim