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- led lifetime
led materials technical information issued by manufacturers show that the life span of led emitters ideal state for 10,000 hours . ideal state means in the under constant pressure &constant-current laboratory led luminous body time is from the light-emitting to completle nolight-emitting. 1 o million hours is equivalent to 11 years.
led display productsâ€™lifetime is no more than 8 years. as a function of the screen to see, when the display can be lit only at night when it is impossible to be proved that it is qualified with the value.
- to comply with gb
- the whole software free
depends on cost performance. to look at rather than simply look at cost-effective price.
- gray color
as a dual-color and full-color display is an important indicator of gray. currently on the market many 1 6 level and 64 gray-scale displaypretend to be 256 gray-scale i, the cost of its control is only one fifth of the 256 gray-scale control o,. the easiest way to differ them is to play a more intense scenes campaign vcd view ,then you can judge this whether led display can be clear or not.
- to buy the high quality
we should buy the best, everyt purchasing power comes from the needs .to meet the needs&go ahead of the time.blind pursuit will waste a lot of money &d the purchase its own functions you donâ€™t require.
application is fundamental, as the application of consulting, software upgrades, hardware maintenance, maintenance and repair needs support for manufacturers