Model Number: Ear Piercing Indoor Siren
Size: diameter 54mm, height 48mm
Communication Interface: Wired
Brand Name: Dpower
Item Type: Ear Piercing Indoor Siren
Rated voltage: 12V DC
Sound index: 120dB
Sound frequency: 3.8KH2+10%
Transmit speed: 3H2 increase or discrease 10%
Material: Plastic
Size: diameter 54mm, height 48mm