Products LED display module is the main component of the display unit, the LED light-emitting diode and driver circuit. Product attributes Describe P4 Indoor SMD full color LED display unit board product name P4 indoor full color LED display optical properties of the LED package SMD 2724 red LED wavelength 618-630nm (band error: ± 2.5n) use red LED brightness 140-260mcd Green LED wavelength 518-530nm blue LED brightness level of 85-170mcd Viewing Angle (band error: ± 2.5n) green LED brightness 470-920mcd blue LED wavelength 465-473nm (band error: ± 2.5n) ≥ 160 (+10 / -10) degrees vertical viewing angle ≥ 160 (+10 / -10) degrees brightness ≥ 2200CD / ㎡ skills pixel pitch 4mm pixel density 62500Dots / ㎡ pixels constitute 1R1PG1PB Module resolution 32 * 16 = 512Dots main features drive 16 Esau (constant current) line-of-sight 2m ~ 32m physical characteristics Unit board size (L * W) 128.0mm * 128.0mm the unit board weight 320.0 ± 10g unit board deformation height ≤ 0.5mm structural features the lights flooding unity Note the electrical properties of the input voltage (DC) 4.8-5.5V maximum current of 2.7A maximum power of the cell plate 20W mean time between failures ≥ 10,000 hours service life of 75,000 to 100,000 hours pixels runaway rate <0.0002 the use of the environment to use environment indoor operating temperature range of -20 to 50 ° C Description Operating humidity range 10% to 90% RH Storage humidity range 30% to 60% RH trading instructions customizable, wholesale, retail