Sound And Light Alarm : Suitable for forklifts, cranes, workshop safety, driving, engineering vehicles, etc. Surrounding Highlight Flashing : Can effectively warn during the day and night flashing 70-80 min Different Versions Optional : The following includes basic functions: Waterproof and dustproof, USB to replace voice content. Power Supply Voltage : DC 12-36V (Default) High-decibel sound : Adjustable volume The measured volume is 120dB Waterproof And Dustproof Without Fear Of Wind And Rain IP65 ● Operating voltage: DC12-36V● Rated output power: 5W● Frequency response: 20Hz~20KHz● Noise voltage: ≤50MV● Signal to noise ratio: ≥85db ● Sound pressure: about 120DB● Maximum working current : 1000mA● Working environment temperature: - 40 ~ + 85 ℃ industrial standard● Working environment humidity: 10% ~ 98%● Audio Format : mp3

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