Portable Digital Multimeter 1999 Counts Mini Pocket Ammeter Voltmeter Current Voltage Ohm Meter Battery Capacity Test. Specifications: Name: Multimeter DT83B, Security level: CAT I, Certification and standard: CE. Product technical features: DC voltage: 200m-2000m-20-200-400V ±0.5%, AC voltage: 200-400V ±1.0%, DC current: 2000u-20m-200mA ±1.8%, Resistance: 200-2000-20k-200k-2000kΩ ±1.0%. Product General Features: LCD display size: 35x14mm, LCD maximum display value: 1999, Low voltage symbol: yes, Overload protection: yes, Diode Test: Yes, show approximate voltage drop, On-off detection and buzzer function: Yes, Battery capacity test: 9V, Power supply: 12V 23A battery (not included). Product Size: 102x60x24mm/4.01x2.36x0.94in. Product advantages: Mini ultra-thin, integrated design, compact and beautiful, easy to carry.