Scope: Engine alarm is suitable for residential buildings, offices, factories, schools, shops, hotels, factories, public places, buildings and road failure equipment. Function: The siren uses a motor to drive the wind screw siren to make sound, so it looks like an electric drill. Stable performance: Sensitive trigger brings excellent alarm performance. High temperature resistance, low temperature resistance High quality materials: Made of strong and durable materials, with red anti-rust paint on the surface. It can effectively prevent rust, prolong service life, and bring obvious warning effects. Bright red appearance makes it easier for you to find. Easy to install: fixed base installation, you can adjust the air outlet up and down, installation: fixed bottom screw, current: 50mA, sound size: 120dB, power: 25 watts. Model Number: MS - 190 Operating voltage: 220V Light source type: continuous sound Color: red Installation: fix the bottom screw Electricity flow: 50mA Voice size: 120dB Power: 25 w Package List: 1 x Engine Alarm