Product is not used which should be stored in the box, warehouse temperature -20 ℃ — +80 ℃, relative humidity of 10%—90%, the warehouse does not allow any harmful gases, flammable, explosive and corrosive products of chemicals, andstrong mechanical vibration, shock and strong magnetic field, package box should be at least 20cm high from the ground, away from the wall, heat, window or air intake at least 40cm, under specified conditions in the storage period is generally one year,more than one year should be re-tested.

The power supply was designed for LED display :,small size, high efficiency,stability, and reliability. Power supply has input undervoltage, output current limiting,output short circuit protection. Power supply will apply with high rectification which greatly improves the power efficiency,can reach 89.0% above, saving energy consumption.

The power supply was designed for LED display : , high efficiency, stability,and reliability. Power supply has input undervoltage, output current limiting, output short circuit protection.