SF-513 Industrial Alarm Siren with Strobe Light - 120dB Loud Waterproof Emergency Warning Horn for Outdoor Safety (12V-24V DC) - Ideal for Factories, Warehouses & Construction Sites

The new generation of alarm devices, through sound and light to send warning signals to people to complete the corresponding warning purpose, widely used in large-scale cranes, engineering vehicles, forest parks, warehouses, border defense systems and city power supply and other locations, not only easy to install, but also easy to use. Voice Change Use the computer to copy the voice that needs to be replaced to the U disk.Rotate the light head of the sound and light alarm counterclockwise and remove the lamp cover.When the sound and light alarm is powered on and the sound and light alarm is working normally, insert the copied voice U disk into the USB interface of the sound and light alarm. At this time, the sound stops and the warning light keeps flashing (if there is no such phenomenon, the USB flash drive may not be connected properly and the sound cannot be read. You can repeatedly try to plug and unplug the flash drive of the USB flash drive.After the voice copy is completed, the sound and light alarm will start to play the voice and work normally. Note Only the voice content to be updated can be placed in the U disk, and other files or folders cannot be placed, otherwise it cannot be copied normally.The total size of the audio files on the U disk cannot exceed the capacity of the built-in flash, otherwise the copying will fail (the file is less than 4M). Remote control The alarm is equipped with a remote control. Through the remote, you can freely turn ON/OFF the alarm or adjust the volume. Remote range: ≤100m. USB port There is a USB port designed within the lampshade. You can upload your own audio to play. Please note that the audio should be MP3 format and no more than 4MB. Optional flash It adopts quality LED lamp beads and ABS lampshade, bright light. And there are three modes of flashes: Always mode, Strobe mode and wheel mode. You can choose the one to warn.

With power-off memory function.Support 4 bit~64 Bit storage capacity, can store multiple voices, the total length is 2000 seconds.

According to different occasions, different voices can be changed at any time through the U disk to achieve different playback effects

The maximum audio output can reach 20W, the alarm loudness can reach 120db, and the sound is loud

Support loading MP3 audio format playback, beautiful sound quality

The volume can be adjusted by the infrared remote control (effective distance ≤ 5 meters), and the infrared remote control can be used to switch the working mode and switch between different playback voices.