Description: A hand-held 31/2 digital multimeter for measuring AC/DC voltage and AC/DC current, resistance, diode , transistor, frequency, temperature and continuity test. Display: LCD, 1999 counts Small and compact design. Display backlight is optional. Specification: Protective Tube: F500mA/250V Power: 9V NEDA1604 or 6F22 Battery (NOT Included) Display: LCD, 1999 counts, updates2-3/ect. Measuring Method: Dual-slope integration A/D converter Overrange Indication: Only display "1" Polarity Display: - for negative polarity Working Temperature: 0~40 °C Storage Temperature: -10 °C~50 °C Size: 145 x 70 x 31 mm Weight: 140g Package Includes: 1 x A830L Hand-held Digital Multimeter 2 x Probe 1 x User's Manual