... by our factory,so we have the ability to offer you a good price and quality Specification: ... luminous efficiency,Stable light ray and flicker free to protect your vision,Instant start-up and no noise02)Direct ... than 62 degrees Celsius09) Long life span of up to 50,000 hours .Reduced installation, maintenance, and ... Shipping Options:1. By express: Such as DHL,UPS, TNT, FEDEX ect. The despath time is about ...