1. The signal generator is small in size, has many functions, easy to operate and easy to carry.2. The key layout is reasonable, all functions have independent corresponding keys, easy to operate.3. Built-in battery, low power consumption, long standby time.Features:1.Maximum display: 85D: 6000 Counts 85C: 2000 Counts2.Auto Range and Manual Range3.Sampling Rate: About 3 times per second4.Over range display: the highest position shows "OL"5.Low voltage display: low battery indication6. Intelligent multi-purpose meters that can automatically identify functions and ranges according to the input measurement signals.7. With full functional design overload protection, safe and reliable operation8. measure DCV, ACV, DCA, ACA, resistance, capacitance, diode and continuity test, NCV (non-contact ACV induction measurement), Live (live line judgment) and torch functions9. Power supply: 1.5V AAA Batteries 2pcs (Not Including)Package includes:1Pc x Multimeter As Your ChoiceNote:Battery is not included