Compact Multimeter: This intelligent 2000 counts digital multimeter is a basic troubleshooting set for electrical measurements (batteries not included). It withstands AC and DC voltage, resistance, continuity, neutral wire, and fire detection functions, and is very practical. Note* (Battery not included) Upgraded Flashlights & Backlight: Enhanced color screen with super bright backlight and flashlights that can be read clearly in bright or dark environments. The hold function keeps the measurements currently displayed on the screen for reading or recording at any time. Safety: The digital multimeter is made of high-quality ABS flame-retardant material, high flame-retardant rating, safe and reliable insulation; It also comes with a detachable rubber insulating shell, soft and durable, non-slip, safety insulating, and dustproof. Easy to Use: Simple control panel, easy operation, say goodbye to tediousness. Display data on a large screen; Three operation buttons, data hold button/NCV button, power button, backlight button/flashlight button; Two detection sockets at the bottom: a COM socket and a signal input socket. Wide Range of Applications: Polymeter is used in household appliances, high and low voltage power distribution cabinets, variable frequency power supplies, electrical maintenance, assembly line testing, photovoltaic systems, and other fields. Recommended by engineers/professionals. A safe and portable multifunctional tester.