Remote control distance :500m(barrier-free block)
You can turn the alarm on and off by remote control
Siren alarm using LED lamp beads design, high brightness, flashing light
Ways to upload your sound
Power off the alarm. Plug in the USB cable and connect the other end to your computer.T
he computer will prompt that a removable hard disk is connectedO
pen the disk and you can remove the sound you don't want, or copy new sound files (MP3 or WAV) to the folder.T
he alarm will play the sound according to the order in which the files are copied in.
You can turn the alarm on and off from a distance High Brightness LED Light Beads One remote control can control multiple alarms You can upload your own tones via the port