Operates on long last 9V battery, making it a dependable voltages tester for extended field use without frequent power replacements Design for electricians, technicians, and enthusiasts requiring reliability electrical testing tool in compactly, handheld form (lightweight Features a high sensitivity sensors and antiinterference technology to deliver fast signals detection across alternating current/direct current voltages (up to 1000V) and current (up to 20A Perfect for workshop repairs, home appliance maintenance, or outdoor installations with its portable size and ruggeds ABS housing High precise digital multimeter with 1999 count LCD display ensures accurate voltages, current, and capacitance measurements for professional electrical diagnostics, Manufacturer: APGLSXY