P4 SMD Indoor LED Display 1.Main Features And Functions The cost-effective indoor LED display offers 4mm pixel pitch and 1,600nits brightness and combines the renowned LEDventure image quality with excellent contrast. The P4 is an extremely reliable display that guarantees 24/7 operation to provide advertisers with ultimate peace of mind.1.1 Compatible front & rear maintenance Module uses magnetic and fixed screw two installation options, compatible front and rear maintenance, more efficient and flexible. 1.2 Common structure cabinet design, more economical Compatible with a variety of pixel pitch,3mm, 4mm, 6mm that can be replaced individually or mixed applications simultaneously to achieve flexible and personalized design and optimize customer investment cost structure. 1.3 High flatness, perfect seamless connection Fine-tuning screw structure adjusts splicing gap precisely for perfect seamless connection. High precision within 0.01mm, precision processing technology and splicing structure ensure the integrity of high-quality picture. 1.4 Slim design 8kg Weight, 86mm ultra-thin thickness, portable manual handling, small application space. 1.5 Easy installation & maintenance Magnetic modules, just 3 minutes installation and maintenance, saving your time and labor costs. 1.6 Quiet environment, zero noise pollution