(1) The screen and the combination of the screen must be strictly waterproof and leakproof; Screen should have good drainage measures to ensure the water can be discharged smoothly once the water came inside;

(2) Install lightning protection devices on display screens and buildings. The main body and housing of the display screen are well grounded, and the grounding resistance should be less than 3 ohms, so that the large current caused by lightning can be discharged in time.            

(3) Install ventilation equipment to cool down, so that the internal temperature of the screen is between -10℃ and 40℃. The axial flow fan is installed above the back of the screen body to release heat;

(4) Choose industrial-grade chip with operating temperature between -40℃ ~ 80℃, to prevent the winter temperature is too low to start the display.

(5) Use high-brightness LEDS to ensure that the display is readable even in the environment of strong sunlight.

(6) Display must be WVA with pure color, the lifetime of the BL will be more than 100,000 hours.  Its appearance is delicate and beautiful, strong and durable. The display has the characteristics of anti - direct sunlight, high temperature and short circuit，dust - proof, waterproof.