what are the blue lights on traffic signals

Brand Name:changdaneng

Model Number:CDN-D012

Place of Origin:Shenzhen China

Amber White Blue Green Led Traffic Signal Lights Solar Light Road Stud Highway Driveway Product Description Traffic sign: Name Solar Road Studs Reflector color Red, White, Yellow, Blue, Green or Customized Size 103*105*22 mm Resist compression ability >20 ...

Brand Name:Roadsafe

Model Number:JSD1-B

Place of Origin:China

... LED Traffic Warning Light For Traffic Cone Warning Signal Light Product Parameters Item Name Traffic Warning Light Size 7.2*15cm Handle Material Plastic Weight 205g LED Quantity 4pcs Battery Ni-MH 1500MAH Light Color Yellow/Red/White/Blue/Green Solar...

Brand Name:Senten

Place of Origin:China

Model Number:SLT42

Payment : T/T, Western Union, L/C, PayPal http://www.popularledlightbars.com sales@jxsenten.com DC12V /DC24V/DC12V-DC24V LED Size:1500mm*500mm*90mm Amber,red,blue,White Traffic Directors, Strzała LED , Fala świetlna, Directionale balken , Signalmaster pušč...

Brand Name:NO BRAND

Model Number:AB-9R

Place of Origin:CHINA

Traffic signal LED warning light for emergency disc used Product name LED Warning Lights Color Red/Yellow/Blue Versions Non-rechargeable Main usage For Security Weight 0.5KG

Brand Name:UNIFORM

Model Number:AUTC-PBS-M149

Place of Origin:CHINA

... Warning Light Traffic Construction Strobe Signal Light Yellow Warning Engineering School Bus Light Products Features COLOR AMBER/BLUE/ORANGE/RED Function Single flash Warranty 12months Material PC len+Rubber base Working Voltage DC12-80V Light source ...

Brand Name:NO BRAND

Model Number:AB-9R

Place of Origin:CHINA

Traffic signal LED warning loght for emergency disc used Product name LED Warning Lights Color Red/Yellow/Blue Versions Non-rechargeable Main usage For Security Weight 0.5KG

Brand Name:CADSOLAR

Model Number:CS-SS-705

Place of Origin:china

Road Safety Aluminum solar pedestrian crosswalk sign with CE Quick Detail: · Easy Installation · eco-friendly · IP65 protect level · CE approval · 2 Years Warranty · High Luminance · Good visible on foggy&rainy days · Long lifespan Description: Solar ...

Brand Name:WONSUN

Model Number:WST-115

Place of Origin:China

OEM Blue Housing Vehicle Barrier Gate With Traffic Light Signal What is the davantages of Wonsun barriers? 1)The humanized clutch device:in case of power off, unlock the clutch device and raise the boom manufally. By the time the ...

Brand Name:Wetech

Model Number:WT-347DP-C

Place of Origin:Guangdong

Pole DIN Pipe Mount DC10-36V Hazard Traffic Emergency Vehicle Light Optical Performance: 1800 lumens of high-intensity light output (amber/red/blue). 360° omnidirectional visibility with TIR (Total Internal Reflection) lens system for uniform light ...

Brand Name:Chengshun

Model Number:YX14-65-850, YX35-130-780, YX71-380-760, YX51-410-820, YX8-250-1000, YX18-100-1100, YX8-130-910, YX35-190-760-950, YX25-196-980, YX25-196-780, YX28-207-1035, YX28-207-828, etc.

Place of Origin:Shandong, China

BLUE RAL COLOR COATED STEEL ROOF SHEET PPGI PPGL Color coated roof sheet blue is prepainted blue organic color coat on the galvanized or galvalume base sheet. Commonly used blue color coated PPGI PPGL roofing sheets are Ral 5003 Signal Blue, Ral 5012 Light Blue, Ral 5015 Sky Blue,Ral 5017 Traffic Blue and Ral 5020 Ocean Blue. Blue color coated steel roof sheet raw material itself has stable performance. Blue...

Brand Name:Prima

Model Number:PR-M012

Place of Origin:China

Universal 12-LED SMD Bulds Motorcycle Turn Indicators Lights Lamps , Blue Yellow Green Red White Led Motor Headlight With the purpose of enhancing your riding safety, we´d like to make this Universal 12-LED SMD Bulds Motorcycle Turn Indicators Lights Lamps...

Brand Name:KOMAI

Model Number:KM-FFL01

Place of Origin:Shenzhen China

... Aisle width: up to 550-650mm Baffle material: red or blue imported soft rubber Traffic speed: 35 people / min Gate opening/closing time: can be set up Power voltage: DC 24V±10%, 50HZ Control signal: relay signal input Light prompt: green light for

Brand Name:OLLIN PV

Model Number:OL-36P-20

Place of Origin:zhejiang Pr. China

...Traffic Signals Lights with 12v battery and 0.9m wire DC connecter Poly Solar Cells Efficient photoelectric conversion, stable performance Unique etching process can increase the short-circuit current of the solar cell Advanced PECVD technology provides well-proportioned navy blue...