This product is a battery-powered, true-rms, auto-ranging digital multimeter with a 19999 LCD display and a backlight. Features: With large overview backlit LCD display, date can be shown clearly. Backlight can make display easy to read in the dark condition. Tests Resistance, DC/AC Voltage and Current tests with a simple switch. Auto ranging accurately measures with self-calibration chip to make sure the accuracy and stability. One-handed operation perfect choice for carry-on measuring. Small size, portable with a pouch, you can take it to anywhere you need it. Compact ergonomic design with nice appearance, easy to use. Specifications: Model No.: RM219 Material: silicone,metal DC Voltage: 19.999mV/199.99mV/1.9999V/19.999V/199.99V/1000.0V AC Voltage: 19.999mV/199.99mV/1.9999V/19.999V/199.99V/750.0V DC Current: (199.99-1999.9)uA/(19.999-199.99)mA/1.9999-19.999A AC Current: (199.99-1999.9)uA/(19.999-199.99)mA/1.9999-19.999A Resistance Range: 199.99/1.9999K/19.999K/199.99K/1.9999M/19.999M/199.99M Capacitance Range: 9.999nF/99.99nF/999.9nF/9.999uF/99.99uF/999.9uF/9.999mF Frequency: 99.99Hz/999.9Hz/9.999KHz/99.99KHz/999.9KHz/9.999KHz Duty Cycle: 1 percent -99 percent Temperature: -20-1000/-4-1832 Sample Rate: 3 times per second Operating Temperature: 0 - 40 Battery Type: 2x1.5V AA (not included) Item size: 180 x 90 x 45mm / 7.09 x 3.54 x 1.77in Package size: 200 x 120 x 55mm / 7.87 x 4.72 x 2.17in Item weight: 326g / 0.72lb Package weight: 552g / 1.22lb Note: 1. Do NOT exceed the "maximum value" indicated in the Specification 2. Do NOT input voltage at the Current Mode, the Resistance Mode, the Diode Mode, the Continuity Mode, or the Temperature Mode 3. Do NOT use the product when the batteries or the battery cover is not placed properly 4. Turn off the product and remove the test leads from the test points before changing batteries or fuses. 5. Do not input voltage exceeds 36V DC or 25V AC when you are at the setting of measuring current. Package List: 1 x Multimeter 1 x Test Lead 1 x Temperature Sensor 1 x User Manual 1 x Storage Bag