Speed Indicator Device driver feedback signs road speed signs

FOB Reference Price:Get Latest Price
US $1,800-2,500 / Piece | 5 Piece/Pieces (Min. Order)
Supply Ability:
500 Piece/Pieces per Month
Ningbo /Shanghai
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Quick Details
Place of Origin:
China (Mainland)
Brand Name:
Model Number:
Aluminum cabinet with black paint
Digits size:
12inch (305mm)
10m - 500m
Power supply mode:
Solar power or City power 110-240V
Packaging & Delivery
Packaging Details
carton packing
Delivery Time


General Description

Speed Indicator Device (SID), also known as Radar Speed Signs, Your Speed Warning Sign, Driver Feedback Sign .
SID detects speeding vehicle by Doppler K-band radar to warn motorists that their speed is above the limit and display
their actual speed together. Limit speed is adjustable to alter the speed threshold as conditions change.


ELLUMIN SID is used across the country, and around the world, because it is effective at slowing speeding drivers down .

Tests repeatedly show that:
·Speeders will slow down up to 80% of the time when alerted by a SID
·Typical speed reductions are 10-20%
·Overall compliance with the posted speed limit will go up by 30-60%


·ELLUMIN SID is particularly effective at getting “super speeders” to slow down

Your Speed Sign


K-band radar built-in
Three digits show 1-199 KM/H or MPH
Digits size: 12inch (305mm)
Smiling Face & Crying Face display
596pcs Φ5mm LED with optics lens
*Customized designs are available

Limit speed can be set by switch integrated in PCB board inside
Limit speed is adjustable to alter the speed threshold as conditions change.
SID-003 driver feedback sign detects and shows vehicle’s actual speed.
Furthermore, it shows THANK YOU together with Smiling Face in green color
for non-speeding vehicle, but shows SLOW DOWN together with Crying Face
in red color for speeding vehicle.
It is effective at slowing speeding drivers down.

Pictures of product: Speed Indicator Device



Power supply mode
Battery power is available, 4 Battery holders are built inside of back door
Standard: max. 4pcs * 9AH maintenance-free batteries (optional 40W solar panel)
Optional: max. 4pcs * 12AH maintenance-free batteries(optional 80W solar panel)
City power 110-240V is available

Radar Speed Limit Signs