This S20 smart multimeter has multiple measurement functions, in addition to the traditional DC and AC voltage tests, resistance, capacitance and diode testing, it also has EMF detection function. It is a good helper for daily use, come and try it, it will not disappoint you. Features: With 3.5 inch large LCD screen, show 3 test results on the screen, such as voltage, frequency and so on, which can let you operate and see the data more clearly, gives you a better using experience. Wide range of applications: can be used for lelctronic repair, electrical engineering, quality control, research and education and so on. With the backlight function and flashlight, it is more convenient to use and read in the dark. With EMF detection functions to test mobile phone, laptop and other electronic equipment. With built-in high-capacity lithium battery, it can be charged at the time when there is no electricity, without frequent battery. Specifications:Material: ABS DC Voltage: 0.5V - 620V ±(0.8% + 3)Resolution: 0.001V AC Voltage: 1.0V - 620V ±(1.2% + 5)Resolution: 0.001V Resistance: 1Omega; - 10.0MOmega; ±(1.2% + 3)Resolution: 0.1Omega; Capacitance: 0.5uF - 1000uF ±(3.5%+8), 1000uF-6000uF ±(4.5%+10)Resolution: 0.1uFCfrequency: 10Hz - 1000Hz ±(2.0%+10)Resolution: 1HzDiode: measure diodes within 1.0VFerate: 1 * Lithium Battery, 800mAh (Included)EMF Detection: Alarm Sounds, LCD Display BarLive Control: Alarm Sound, LCD Display BarRange: if the resistance is less than 30Omega;, beep soundPackage Size: 169*95*44mm/6.7*3.7*1.7inPackage Weight: 350g/12.3ounce Packing List:1*Multimete1*Test Lead1*User Manual1*USB Charging Cable1*EVA Bag1*Protective CoverMany questions about Dropshipping services are following:1. How many orders can you handle per day? We are a large company in Shenzhen, China, with a large warehouse that can handle large orders every day. We ship countless packages every day. We can guarantee the order you request.2. How fast can you process orders? We will arrange the shipment as soon as possible after you pay for your order. Priority delivery for dropshipping order3. Can you ship an order without any receipts, invoices and promotional offer inside the package? Absolutely! No invoices, receipts, promotional offer if you leave notes on the order (if you want, we can deliver.)4. If you need other products? We can supply most of the products you need as much as possible1If you have any other questions, please feel free to . We are very grateful for your cooperation with you.5. We can support Dropshipping of CSV/Excel files.6. There is no limited inventory to fulfill orders on a daily basis