Professional diagnosis of battery and alternator faults. Test battery condition with as little as 1V of residual charge. No heat, no sparks and no misdiagnosis. Checks condition of starter - no complicated connections or interpretation required. Analyse the vehicles charging system at rest and under load to determine condition of alternator. Connect and follow the prompts on the LCD screen for straightforward answers. Incorporates simple voltmeter for voltage tests and additional system diagnostics. Rugged construction with protective cover. Features & Benefits:Professional diagnosis of battery and alternator faults.Test battery condition with as little as 1V of residual charge.Determine condition of alternator at rest and under load.LCD screen for straightforward results. No heat, no sparks and no misdiagnosis.Supplied with instruction manual.Model No. BT2002 Specifications: Model No BT2002 Battery: 1 x 9V (not included) Brand: Sealey Charging System Capability