4478 Recommend BSIDE ZT301 Multifunction 8000 counts Ture RMS Digital Multimeter. ZT301 has temperature test function. (ZT302 does not have) BSIDE ZT302 Multifunction 9999 counts Ture RMS Digital Multimeter. ZT302 has Square Wave test function. (ZT301 does not have). Main features: This is an Auto-ranging digital multimeter using double-integral style A/D transform as the core. It can be used to measures AC/DC Voltage, AC/DC Current, Temperature, Resistance, Capacitance, Diode, Continuity testing, Frequency, Square Wave test, battery voltage test, V.F.C test, Dangerous voltage alarm. With automatic shutdown, backlight, low battery reminder, flashlight and other features. They are battery powered. They are characterized by stable function and high reliability, with the features of overload protection and Large LCD display for clear reading, are an ideal tools for lav,factory,radio fans and family use. Note: The batteries are not included in the package due to Aviation Security Check. Sorry for any inconvenience caused. Package includes: 1 * Multimeter. 1 * test clip. 1 * temperature probe. 1 * Portable cloth bag. 1 * color box. 1 * T1101 Alligator Clip Test Lead ( Extra $ 2 ) 1 * English manual