<ul><li>1. This switch control alarm is suitable for matching with camera, level gauge, limit switch etc..</li><li>2. Dry contact signal trigger and switch quantity signal control alarm, which can be connected to the equipment outputting switch signal.</li><li>3. It has a built-in USB interface, which can change the alarm tone at any time, besides there are nine factory set alarm tones.</li><li>4. IP65 protection level which means it is dustproof and rainproof so that can also be used outdoors.</li><li>5. The warning voice can be up to 120dB with the special alarm horn and it has the strong sound penetration, obvious warning effect.</li></ul> USB port: support USB flash disk You will see the USB port when you unscrew the lampshade. Insert USB flash disk to copy audio files to the device. According to different usage occasions, you can use USB flash disk to freely replace the audio files, copy your own audio files to the device as many times as you wish. It is very easy. Note: audio files should be MP3 format. There should be only audio files in the USB flash disk, no other files. All audio files should be less than 4MB. Please tell us your special needs if you want the other color like yellow, blue or green light(the default is red light) and the other voltage we customize it for you . Parameter: Product model: YS-800k Optional voltage: DC12V/ 24V AC110V/ 220V(To choose from) Power:15W The horn decibels: 120db Way to work: Close signal wire to alarm Alarm tones: 9 tones (customizable) Size: 200W*112.5L*220.7H (length * thickness * height) mm Control distance: 8m Installation: Bottom/ Hanging installation Working temperature: -30~+70 Protection grade: IP65 The light way: LED flashing light Glow color (choose 1): Red Application field: Hoisting machinery, door hanging, Bridge cranes, ports, docks, etc.

Switch Control Sound Light Alarm Horn Siren LED Warning Light Waterproof Portable Alarm Siren w/ Strobe Flashing Emergency Buzzer for Camera Level Gauge (AC220V)

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