Maximum Voltage between : CAT II 1000V
Temninal and Earth Ground : CAT III 600V
Fuse Protection : A:F 2A250V ; 10A: unfused
Power Supply : 9V battery. Neda 1604 or 6F22
Display : LCD. 1999 counts , updates 2-3sec
Operating Temperature :0°C to 40°C (32°F to 104°F)