YASONG 500m Wireless Remote Control Siren Alarm Industrial 120dB Horn Strobe Sirens with Adjustable Volume and Tone Security Alarm Systerm for Factories and Ports SLA-B02Y

Working Principle: The industrial alarm siren is in standby mode after powering on.   It can be turned on/off using a wireless remote control, with a range of up to 0.3 miles / 500m (without walls).   The volume and tone can be adjusted using the infrared remote control, with a range of up to 26.2 feet.   One remote control can operate an unlimited number of alarms! 120dB Loud Speaker: The siren features a high-quality alloy speaker with a loud 120dB horn, and the volume is adjustable. The alarm includes 12 different ringtones, which can also be adjusted. Custom sounds can be uploaded via a USB port. If you would like to customize the alarm sound, please contact us. LED Strobe Light: The alarm uses LED bulbs with a high-transparency, durable red lamp cover, providing a long visual range and an effective warning effect. IP54 Waterproof: The siren is designed with a weather-resistant circuit and features a spray-coated steel casing, with an IP54 protection level, making it suitable for o