... power management system. Longer-lasting battery life.5. Silicone Rubber Keypad. Operating feel good6. Multi-frequency probe matching.7. Special probe connector, ... clock, date, name, gender, age, gain, hospital name, probe type and the operating frequency, full-screen characters editing9.PAL ... WED-3000V hosts, LV2-2/6.5MHz frequency rectal probe, mouse, SP-2 power adapter, HYLB-523 lithium battery ...