The Snap-on Tools Multi-Probe Pro, No. EECT800, connects to the vehicle battery, then applies patented circuit breaker protected power-up of components. The EECT800 has a calibrated field replaceable cable providing movement around a vehicle up to 40’. A specifically-designed hand-hold position and rear facing color LCD enables the user to get in tight spaces while reading live results on the screen. Navigation is simplified via single function buttons and color-coded modes: 12 and 24V DC Voltmeter, Peak to Peak, AC Audio and Continuity.