Features: The Handheld Mini Oscilloscope is a digital storage oscilloscope featuring 4 channels for comprehensive electronic engineering tasks. Lightweight, this oscilloscope offers efficient waveform analysis with multiple triggers modes, including edges, logics, and pulse width triggers, and boasts powerful waveform processing capabilities. For engineers, electronics enthusiasts, and students who require precise circuit testing and signal analysis. Perfect for use in laboratories, work sites, and classrooms where circuit testing and signal analysis essential. With open source application code, users can customize the firmware to meet specific needs, making it a flexible tool for various electronic applications. Specifications: Material: Plastic Channel: 4 Channel Bandwidth: 15MHz Sampling Rate: 100MSa/s Operation Channel: INV [CH_A], INV [CH_B], [CH_A]+[CH_B]、 [CH_A]-[CH_B]、[CH_C]&[CH_D]、[CH_C] | [CH_D] Vertical sensitivity: 10mV/div-10V/div Input Resistance: 1MΩ Triggers Modes: Auto/Normal/Single/Slow Battery: 1000mAh(Include) Screen: 3inch Resolution: 400x240 Size: about. 1.35x9.95x5.85cm/0.53x3.92x2.3in Package Includes: 1 Set Digital Oscilloscope note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.