Speed Indicator Device (SID), also known as Radar Speed Sign, 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
Radar Speed Limit Signs
Size:580x620x105mm Doppler K-band radar built-in Two digits show 1-99 KM/H or MPH Digits size: 12inch (305mm) Two strobe lights under digits 252pcs Φ5mm LED with optics lens DG3 reflective sheeting *Customized 3 digits is available
Limit speed can be set by switch integrated in PCB board inside Two strobe lights flash together or in turn, adjustable. Limit speed is adjustable to alter the speed threshold as conditions change.
Pictures of product
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