1. HD LCD Screen Backlight Size: This versatile digital display features large black fonts and backlight to help you read clearly even in the dark.When taking measurements, you can easily write them down or enter them into a spreadsheet. 2. USB Charging, New Upgrade, Say Goodbye to the Battery Era: Rechargeable and Durable;The multimeter has a built-in 600mAh battery that can be recharged without replacement.It takes 2 hours to fully charge and can work for 10 hours.Convenient, fast and economical, equipped with a USB data cable, lithium battery charging, safe and worry-free. 3. Operate the flashlight: The built-in LED light can be turned on in dark environments for easy viewing and measurement.In a dark environment, you will no longer be afraid of not being able to see the measurement site, which eliminates the risk of electric shock and facilitates night measurement work. 4. Small size and light weight: The multimeters are easy to carry and fit into pockets and work bags.Easy to use during work. 5. NCV non-contact electricity measurement: Non-contact is safer.Use NCV sensor for detection.The closer to the power source, the more urgent the alarm.The flashlight will flash red.