Multifunctional: This digital multimeter can measure many things, such as AC, DC current, voltage, resistance, capacitor, and so on. -friendly : This touch screen multimeter is designed with a flashlight that can help you see things clearly in the dark. Safe to use: This digital voltage tester is designed with a NCV voltage testing , so you 't need to the electric wire in order to test voltage. Protection measure: This touch screen multimeter is designed with a silicone case and features overload protection. Portable: This digital touch screen multimeter is designed with a small size and 't take much space, so you can carry or it when going out. Specification: AC current: 999.9mA/10A. DC current: 999.9mA/10A. AC voltage: 999.9mV/9.999V/99.99V/999.9V. : 999.9mV/9.999V/99.99V/999.9V. Resistance: 999.9ohm/9.999Kohm/99.99Kohm/999.9Kohm/9.999Mohm/99.99Mohm. Capacitance: 9.999nF/999.9nF/9.999uF/99.99uF/999.9uF/9.999mF/99.99mF. Temperature: -40~1000(-40~1832). Frequency: 100Hz/1000Hz. Working altitude: maximum 2000m. Display: LCD. Maximum display value: 9999 digits. Polarity indication: automatic indication, "-" means negative. Overrange display: "OL" or "-OL". Sampling time: about 3 /second. Automatic shutdown time: 15 minutes. Battery Low Voltage Indicator: Yes. Working temperature: 0~40C. Storage temperature: -10~50. Battery: 3.7V 600mAh polymer lithium battery(built-in). Size(LxWxH): . 133x66.5x22.5mm/5.24x2.62x0.89 inch. Colour:black Material:plastic Package Contents: 1 x Multimeter set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.