S11 Feature: [EBTN LCD display]: The EBTN LCD display greatly enhances the reading experience. The numbers and letters with a bright black background and color analog bars are very easy to read even in bright sunlight or under low light conditions. [3 Results Display]: The high-resolution large screen can display 3 test results on the screen, such as voltage, frequency and analog bars.[Automatic identification]: Automatic identification can greatly improve test efficiency. BSIDE intelligent technology enables the multimeter to automatically identify the parameters of the test and select the required range. [Protective cover]: Durable protective cover to prevent vibration, friction and collision. This case is detachable and easy to replace. [Upgraded flashlight]: The upgraded flashlight can change the dark environment.S10 Specifications: Display: 9999 counts Screen: 3.5 inch DC Voltage: 0.8V-620V (0.5%+3); Resolution: 0.001V AC Voltage: 2.2V-620V (0.5%+5); Resolution: 0.001V Resistance:1-999.9 (2.0%+5); 1k-60M (1.0%+3); Resolution: 0.11 Capacitance: 1nF-999.9nF (6.0%+5); 1uF-99.99mF (3.0%+3); Resolution: 0.001nF Frequency: 1Hz-1000Hz (1.0%+5) (ACV:2V-10V); Resolution: 0.001Hz 1KHz-60KHz (1.0%+5) (ACV:10V-620V); Resolution: 0.001Hz Duty Cycle: 0.1%-99.9% (3.0%+5) (ACV:2V-620V); Resolution: 0.1% Diode: Auto identify diode if less than 3.0VV-Alert(non-contact voltage detection): beep alarm soundsLive Check: alarm beep sounds, LCD screen display stripe[Color LCD Display]: Color LCD display greatly enhance the reading experience, the lighted up numbers & letters with black background make it very easy to read, even in bright sunlight or poor light.3 Results Display]: High resolution large screen can show 3 test results on the screen, such as voltage, frequency and analog bar.[Automatic Identification]: Automatic identification greatly improves your test efficiency. BSIDE smart technology make this multimeter can automatically identifies the tested parameters and choose their required range.[Rechargeable]: Come with a rechargeable li-ion battery & charging cable, you will never worry about power problem.[EMF Detector]: Integrated EMF detector design greatly enhance your experience, suitable for home, office, factory, outdoor, etc.S20 Specifications:Max Display: 9999 countsDisplay Type: Color displayScreen: 3.5 inchDC Voltage: 0.5V-620V (0.8%+3); Resolution: 0.001VAC Voltage: 1.0V-620V (1.2%+5); Resolution: 0.001VResistance:1-10.0M (1.2%+3); Resolution: 0.1Capacitance: 0.5uF-1000uF (3.5%+8), 1000uF-6000uF (4.5%+10); Resolution: 0.1uFFrequency: 10Hz-1000Hz (2.0%+10); Resolution: 1HzDiode: Measure diodes within 1.0VEMF Detect: alarm beep sounds, LCD screen display stripeLive Check: alarm beep sounds, LCD screen display stripeContinuity: If the resistance is less than 30, the beeper soundsPower: Rechargeable 3.7 V * 1 battery (included)Size: 143*69*17mmWeight: 320g Package Includes:1 * Multimeter. 1 * Test Lead.1 * English user Manual. 1 * Packing Box.1 * USB charging cable.S11/S201 * EVA portable cloth bag.S11/S201 * Protective shell.S11/S20