1. The signal generator is small in size, has many functions, easy to operate and easy to carry.2. The key layout is reasonable, all functions have independent corresponding keys, easy to operate.3. Built-in battery, low power consumption, long standby time.FeaturesItem name: MultimeterColor :redModel Number: Q1Operating Temperature: 0 - 40 Operating Humidity: 75%RHStorage Condition: -2060Storage Humidity: 80%RHDIY Supplies: ElectricalOperating Mode: Auto/Manual RangingMeasuring Inductance Range: NoMeasuring Temperature Range: -201000 C/-4F-1832FMeasuring Capacitance Range: 9.99nF/99.99nF/999.9nF/9.99uF/99.99uF/999.9uF/9.999MFMeasuring Voltage Range: 999.9mV/9.999V/99.99V/999.9VMeasuring Current Range: 999.9uA/99.99uA/999.9mA/10AMeasuring Resistance Range: 99.99/999.9/9.999k/99.99k/999.9K/9.999M/99.99M OhmFrequency: 99.99Hz/999.9Hz/9.999KHz/99.99KHz/999.9KHz/5MHzDisplay Type: Digital DisplayDiode Test: YesContinuity: YesDuty Cycle: 1%-99%Sample Rate: 3 times per secondPower: 2 x 1.5V AA batteries(Not Included)Note:There might be little error of size for manual measurement.The colors deviation might differ due to different monitor, please kindly understand.Package Included:1 x Multimeter1 x Temperature sensor1 x Test line1 x Instructions1 x Storage package