... 7.8V, battery voltage low icon “ ”will display, reminding to replace battery. 26.Power Consumption : Backlight: 25mA Max, Standby: 25mA Max ... :3PCS, Simple testing wire:2PCS, RS232 Com-cable: 1PC, Software disk: 1PC, Tester bag: 1PC 3. Features: Boot Time: Self-test ...