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mail features:
1.stage-by-stage sound alarm
2.smart VFD display screen
3.sensor style and color optional
4.2/4/6/8sensors system optional
5.human voice alarm optional
6.anti-freezing,rainy-proof design, work well under extreme cold weather
specifications:
1.working voltage:DC12V
2.Input:4W(max)
3.beeper:80dB
4.working temperature:-40~ +80℃
5.frequency:40KHz
6.Detection distance: 0.4-2m |
