20KVp-p/20MHz , Very High Voltage and Very High Frequence X300, X600, X1500, X3000, 4 Range Selecter. 100MΩ // 1.3PF, Very High Ri and very Low Ci Separating Design (Patent No. 114205) Convenient, Durable. Combine With PL-10 to obtain more Accurate Measurement from DMM