22A 1400W Buck Converter CC CV Step-Down Module LCD Adjustable Regulated Stabilized Voltage Power Supply 5V 12V 24V 36V 48V

App download :http://www.qingdaowuzhi.cn/powerappdownload/Wuzhi_Link.apk

computer software : http://www.qingdaowuzhi.cn/uppercomdownload/Wuzhi_Link.exe

IOS please search : wuzhilink
ZK6522C Manual download : http://www.qingdaowuzhi.com/DownLoad/149231.html?a=download
Zk6522 Manual Download :  http://www.qingdaowuzhi.com/DownLoad/144641.html?a=download

The ZK6522C and ZK6522 Only Display Meter Color not the same , The functional parameters are exactly the same !