1. This product is a multifunctional tester with built-in high-precision voltmeter + resistance measuring inst ent + diode tester + oscilloscope.<br> 2. Pen design, easy to use, easy to carry<br> 3. This product can be mainly used in some quick maintenance scenarios<br> 1. Oscilloscope:<br> Frequency measure Accuracy:+/-1% Max<br> One-key AUTO display waveform<br> Sampling Rate:2MSa/s 400KHz Bandwidth<br> Storage depth:4Kbit<br> Trigger mode:Auto<br> Trigger edge:Falling edge<br> Coupling mode:DC<br> Maximum test voltage:24V<br> Vertical sensitivity:50 mV/div-10 V/div<br> Horizontal time base range:10us/div-200ms/div<br> 2. Voltage measure:<br> Measure Accuracy:+/-1.5% or +/-0.15V Max Maximum Input - Voltage:24V<br> Minimum Resolution:0.1V<br> Voltage Alarm<br> 3. Resistance measure<br> Measure range:10Q-5M<br> Measure Accuracy:+/-2%<br> 4. Diode measure<br> 5. On-Off measure<br> 6. Other paremeters:<br> 1.14inch 135x240 TFT<br> Rechargeable Battery<br> Product Size:160x27x26mm<br> Power port:USB Type-C 5V/1A<br> Operate humidity:less than equal 80%<br> Operate temperature:0℃-50℃<br> Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use.<br> Colour:Black<br> Material:ABS<br> Package Contents:<br> 1 x Multifunctional tester<br> 1 x Test attachment<br> 1 x charging cable<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.