BSIDE ADM92 Handheld True RMS Digital Multimeter Auto Range 6000 Counts TRMS Tester with Live Wire Check Temp NCV Hz ohm Diode Specifics: 1. Operating Mode: Auto Range 2. Display LCD: 6000counts 3. Battery: 1.5V AAA*2 (not included) Features: Convenient single-hand side slot design, the test lead can be fixed different direction for various use, such as test lead up-side fixed type for detection, down-side for maintenance, etc. Live wire check fuction can detective the live wire conveniently and quickly: just put the red test lead into power socket, there will light flash and alert beeper sounds if it is live wire. V-alert measurement: There is no need to contact tested device directly to prevent any possible danger, just put the multimeter near close to it, it will light flash and alert beeper sounds if indentify AC voltage existence. Mini size for easy to carry, in your palm or pocket; back clip design make it portable. Transform measurement between AC voltagecurrent and frequency by pressing "Hz" button. Measures ACDC voltage and current, reistance, diode, continuity Frequency measurement by terminals (AC voltagecurrent) Auto range, Auto power off, data hold, backlight, low battery indication