... 4.Factory price,warrenty:2 years 150w led high bay lights Parameters Imported chip, luminous efficiency is above 90lm/w, Ra75 ... -reflective electroplating aluminium, attractive and durable.Nice appearance (silver), can work well in the environment of minus 30°C to 60 ... emission technology, solved the biggest technical issues of the LED lights. Quick response to the customer's enquiry within 24 hours ...