<b>Note: 12V/24V/110V three voltages are available, please confirm the voltage before purchasing.</b><br><br> <b>Product parameters:</b><br> Working mode: alarm when power on<br> <b>Speaker decibel: 110db Adjustable <br> Remote control: 1pc<br> Remote control distance: <1000m</b> <br> Light source: LED strobe light<br> Voltage: AC 110V <br> Power: 25W<br> Working current: <1A<br> Protection level: IP54<br> Working temperature: -20℃--70℃<br> Alarm sound: siren alarm sound<br> Installation method: wall-mounted installation or bottom installation<br> Application: Hoisting machinery, port terminals, factory workshops, construction sites, schools, etc. <br><br> <b>Service:</b><br> If you have any questions, please contact our customer service directly, our after-sales service staff will help you solve the problem. Thanks.