Products unit board, LED display module can be called is the main component of the display unit, the LED light-emitting diode and driver circuit. The spacing of the the product attributes logistics point 4mm led package the triple physical density of 62,500 / ㎡ luminous point color combinations 202 1R1G2724 1R1G1B 2020 1R1G1B 2121 module size 128mm × 128mm pixels 32 × 32 best-horizon 4m horizontal viewing angle of 110 ° - 140 ° Control Mode Synchronization Drive mode: constant current sweep surface by 1/16 scan gray scale level ≥ 256 Refresh frequency ≥ 180HZ shift clock ≥ 10MHZ White Balance Brightness ≥ 1800cd / ㎡ operating voltage 5.0v ± 5% average power consumption 500-700w / ㎡ maximum power consumption ≤ 1000w / ㎡ HUB XY02 PCB layers 4 layers work environment temperature -10 ℃ -50 ℃ use products can be transformed according to their own needs, or demand or replacement, full color unit board and to monochrome for reference. Tips when using the product must pay attention to the switch has been unplugged, Please read carefully before using the packaging description of the main features of the products are divided into outdoor, indoor, monochrome, full color, specific product packaging Check product specification Note all the cards are not charged dial plug, turn off the power to the display pluggable serial access control card to determine the cell plate interface, otherwise may damage your control card or other description of the electric Holley flag has many years of Mount LED combat experience, light-emitting diodes used in surface mount, and driver chips, circuit boards, kits are used industry recognized quality supplier trading instructions to be customized according to customer requirements of different specifications, colorful unit board