Wireless Outdoor Security Alarm Siren with 130dB Horn Strobe light Floodlight 2000m Remote Control Distance Tornado, Fire, Earthquake Emergency Siren SLA-SD500-Y

【Wireless synchronous control】When the remote controller is pressed, multiple alarm siren can be controlled synchronously.  Remote control, emergency control, combined light and sound warning.  Emergency alarm siren with the same communication code can be transmitted to each other【Remote control distance】The  alarm siren is equipped with a remote control and the remote range: 2000m/1.24miles(no wall).  After wiring, turn on power switch, different built-in tones can be switched through the remote control, the default is 3 tones, which can be customized.  you can turn OFF/ON the siren floodlight freely by the remote.【Volume optional】The volume can be adjusted by the button (0-130dB adjustable) .  The shell is made of waterproof and dustproof steel plate.  And the protection level is IP65, which can be used outdoors with confidence.【Emergency security siren】Siren Alarm built-in lithium battery, power outage automatically turn on the floodlight and alarm sound and light alarm.  It can wor