? MS8211 is a new pen type handheld digital multimeter, in accordance with EU safety standards EN61010-1, it stable performance, high accuracy, low power consumption novel structure is safe and reliable and is ideal for customers with measuring instruments. ? With large LCD digital display (these sets of data display) and backlight, it's easy for user to read, with overload protection and battery under-voltage indication ? PTC protection circuit for Resistance, continuity sensor confirms that the circuit conducts electricity. If pen multimeter measured resistance less than 50?, the buzzer will sound, tell you the circuit issue quickly ? The instrument can test DC voltage, AC voltage, DC current, AC current, resistance, diode and continuity, with a non-contact voltage testing capabilities, allowing users to use more safe and secure ? POCKET SIZE DESIGNED FOR EASY CARRYING - Easy to use with one hand, weighs only 110g, carrying Bag can carry, suitable for home, factories, schools, cars and other electrical tester and maintenance