Feature:1. Inteligent Protection: Excessive high voltage protection; Excessive current protection; Stable voltage protection;  Overcharge protection; Short circuit protection; Temperature protection.2. Fast Charge: Built-in three technology chips, can identify different mobile phone charging architecture for different mobile phones to match the appropriate current, charging more efficient.3. Multi-Port Support: Supports 20 charging devices at the same time and meet the various demands of charging.4. Inteligent Design: Built-in three technology chips, can identify different charging architecture of different mobile phone, and match the current for different mobile phones..5. Suitable For: Most smart devices used USB ports such as for Xiaomi, for Samsung, for iPhon-e, for iPa-d, etc. Specification:Product Name: 20 port USB Intelligent Distribution ChargerProduct Model: A5 +Product size: 142*70*63mm/5.6x2.7x2.5inchInput voltage: 100-240V ACInput frequency: 50-60HzOutput voltage: 5VOutput current: 20AOutput power: 100WCable length: 1.5MetersEfficiency: 70 per centCooling method: safe cooling aluminum sheetAutomatic identification: Automatic identification of current according to equipmentMaterial: PC+ABS fire retardantMain Color: Black + bluePlug: EU Plug Package Included:1 x 20 Ports USB Charging Station1 x Power Cable