Features: Compact size meter with four-digit 22mm, high contrast LCD display and back light. Features auto-ranging, data-hold and auto-power-off functions. Includes inductive coupler (IC) for fast reading of engine rpm. Supplied with probe, crocodile clip and thermocouple leads for easy hook-up.Specifications: Model No: TA201 Specification Table: Tach (rpm): 4-Stroke; 600-4000 (x1)rpm, 600-12000 (x10)rpm, 2-Stroke; 300-4000 (x1)rpm, 300-6000 (x10)rpm Dwell: 2Cyl 0-180�, 3Cyl 0-120�, 4Cyl 0-90�, 5Cyl 0-72�, 6Cyl 0-60�, 8Cyl 0-45�, 10Cyl 0-36� AC Voltage: 400mV, 4V, 40V, 400V, 600V (Auto-Ranging, except 400mV) DC Voltage: 400mV, 4V, 40V, 400V, 600V (Auto-Ranging) AC Current: 400�A, 4000�A, 40mA, 400mA, 4A, 10A (Auto-Ranging for �A & mA) DC Current: 400�A, 4000�A, 40mA, 400mA, 4A, 10A (Auto-Ranging for �A & mA) Capacitance: 40nF, 400nF, 4�F, 40�F, 100�F (Auto-Ranging) Frequency: 4V Range 5Hz-10kHz, 40 & 400V Ranges 5Hz-200kHz, 600V Range 50Hz-1kHz, 400mA Range 5Hz-5kHz, 10A Range 5Hz-1kHz Duty Cycle: 0.1-99.9% Pulse Width: No Resistance: 400?, 4k?, 40k?, 400k?, 4M?, 40M? (Auto-Ranging) Continuity: <150? Temperature: -20 to +760�C/-4 to +1400�F IR Temperature: No Diode Check: Yes (Typical Test Current 0.3mA) Transistor Test: No Back Light: Yes Bar Graph Display: No Display Hold: Yes Auto-Ranging: Yes Inductive Coupler: Yes PC Interface: No Digits Height: 22mm Auto Power Off: Yes Low Battery Indicator: Yes Batteries (supplied): 9V (PP3) Hi-Impact Case: Yes Size (L x W x D): 146 x 66.2 x 41.5mm Weight: 330g Height: 176 Width: 132 Length: 78