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Please contact me If you have intrested in our products. My *:  *@*****************************3

1 display mode：*-digit or *-digit LED display

2 power supply：solar，solar panels of *0W，the battery: *2v*5ah

3 working voltage：*2V ，working current：<1.5A， measurement range from：****9km/h

4 speed limit display：display for the green Numbers within safe speed and red Numbers if speed limit is exceeded. LED display size: *0**6cm，frame size: *0**0cm**4cm sign size: ***0***0mm

5 application：urban rapid road，highway，Suburban cables，speed limit road such as Authority & universities.

6for three or four lanes at the same time.