120w wholesale 21.5 INCH led strobe flashing lights white and amber two color changing led light bar

    120w wholesale led 21.5 inch strobe flashing lights white and amber two color changing led light bar

  Y&T mini 4x4 led light bars

1) Why Choose Cree LEDs?
Y&T Luminaires utilize High Quality Cree LEDs: Long life, Energy efficiency, Ecologically friendly.

2) Why Choose Y&T?
Y&T are passionate about the art and science of LED Lighting. We had been audited by SGS-CSTC already and specialize in featuring innovations . Currently our deliver cost-effective lights had been exported to over 60 countries in automatic, industrial & engineering areas.

3) What is your OEM packaging inside and outside? What is in every single box? 
Neutral packing, foam inside box+ outside box+ Carton

4) Lead time from order placed/payment received to port (China) 
Base on the quantity,sample order: 1-3days, bulk order: 7-15days

5) What’s the Warranty and how to Return Back the Defective Products?
One Year in Normal Use.
We provided the Best After Sales for customers all the time! As soon as a defective product was confirmed to be caused by our side, we would offer a new one to you, while customers ONLY have to pay for the delivery fees.

6) Your quality guidelines? Your defect rate? 
Our repair rate has been control in 1/1000

7) Type of testing? What testing machines? 
Waterproof test , UV test, burn-in test, Antistatic, Integrating sphere , carving machine, salt spray 
test machine, shock tester,EMCRF SHIELD ROOM, Darkroom,

8) Certifications? IP rating? 
CE FCC ROHS E50 ISO9001 IP67-IP68

9) What is your light output efficiency? Lumens/watt? 
We have 9W-288W

Epistart chip:80lm/W Imported Cree chip: 90lm/W Imported

10) Aluminum or copper circuit board? 
Aluminum substrate

11) Aluminum or nylon housing mold? 
Aluminium alloy extrusion profiles

12) Features: Lens type? Steel type? Paint type? Heat sink? 
Lens type: PC or tempered glass,Heat sink: heat shrink tubing

13) Optical efficiency? Power consumption? 
That must have the consumption during the burn-in test, but for the concrete data, we do not 
have the calculation.

Y&T mini 4x4 led light bars

Any more questions or information, pls feel free to send an inquiry for us! We will reply immediately after we receive your enquiry. Thank you!

Y&T sales Dep.