oem rf power supply board series 1.RF power output:300w,200w,50w 2.rf ... :0.6Mhz,1Mhz,5Mhz 3.OEM oem rf power supply board series:RF power supply specification: input voltageAC 220V AC110V max ... Size: 181mm*59mmDisplay Method: true colorLanguage:english, chineseWeight:0.4KGBasic Function:7 inch touchscreen,three items to be choosed,water flow ...