Check the listing for details. 621A Screen Rechargeable Smart Multimeter Large Digital Multimeter. Condition: Brand New. Listed at 38.82 USD. A.Overview: Automatic selection of measurement functions and ranges. Full-scale overload protection. The maximum voltage allowed between the measuring terminal and the earth is 1000V DC or 750V AC The maximum LCD display value is 9999 digits. Polarity indication: Automatic indication, '－' means negative polarity. Overrange display: 'OL' or '-OL' . Sampling time about: 3 times / second Auto shutdown time: 15 minutes Power supply: 3.7V/600mAh lithium battery Operating temperature: 0°c - 40°c Description: AC Current: 999.9mA/10A DC Current: 999.9mA/10A AC Voltage: 999.9mV/9.999V/99.99V/999.9V DC Voltage: 999.9mV/9.999V/99.99V/999.9V Resistance: 999.9Ω/9.999KΩ/99.99KΩ/999.9KΩ/9.999MΩ/99.99MΩ Capacitance: 9.999nF/999.9nF/9.999uF/99.99uF/999.9uF/9.999mF/99.99mF Temperature: -40~1000℃(-40~1832℉) Frequency: 100Hz/1000Hz Color: Black / Red (Optional) Material: ABS Working Altitude: Maximum 2000m Display: LCD Maximum Display Value: 9999 digits Polarity Indication: Automatic indication, ""-"" indicates negative Overrange Display: ""OL"" or ""-OL"" Sampling Time: About 3 times/second Automatic Shutdown Time: 15 minutes Battery Undervoltage Indicator: Yes Temperature Coefficient: