• Three insulation test ranges: 250V/100MΩ, 500V/200MΩ, 1000V/400MΩ
• LIVE circuit warning lamp plus audible warning
• Automatic discharge of circuit capacitance when TEST button is released
• Fuse protected (continuity range only)
• Battery check LED
• Zero adjustment on panel
• Backlight function to facilitate working at dimly lit situations
• PRESS TO TEST button with lock down feature