How do I select the high ratio led lights under the street light

A see brightness, the main parameter is the luminous flux, the unit is the lumen, brightness, the higher the price. Used for LED lamps and lanterns, the LED should comply with the laser level Ⅰ class standard. 2 see antistatic ability general requirements of antistatic is greater than 700 v LED can be used for the LED lamps and lanterns. Three see leakage electricity

in terms of brightness, and the main parameters is luminous flux, unit is the lumen. The higher brightness, the higher the price. Used for light emitting diode lamps and lanterns of light-emitting diodes (leds) should comply with the laser levels of primary standard. Second, anti-static ability usually require in light emitting diode lamp used in anti-static is greater than 700 v leds. Three see leakage current, the leakage current, the greater the light attenuation of led lamps and lanterns, the greater the shorter service life, lower cost price. Four wavelength consistency, the wavelength of light emitting diode consistency, color consistency, pure color is consistent, the higher the price. Five Angle of lighting, special lighting Angle, the price is higher, this parameter need to choose according to different application requirements. Six see life, led traffic light parameters for the comprehensive performance of the lamps and lanterns of lighting manufacturers, it goes without saying that the longer the life span, the higher the price, this is mainly embodied in the optical attenuation. Six asked chip brand, Japan, the United States a well-known brand manufacturers of chip quality is higher, the more expensive, the lower the price of South Korea, Taiwan and mainland. Seven chip size, in general, large size chip quality is higher than small size chips, the price is high. Eight see process, the choice of different materials and processing technology will produce a great impact on the quality and price of product, such as fire and dust prevention. Many requirements, such as rain and anti-static will affect the price of led lights and cost.