Fully Assembled DSO138 2.4 TFT Digital Oscilloscope (1Msps) with One FREE Probe -Size:128x88x27mm/5x3., 46x1., 06inch. -Depth of sample buffer: 1024 bytes. -The coupling modes: DC/AC/GND. Oscilloscope can be triggered by rising or falling edges The trigger level is adjustable and with indication -Input impedance: 1M ohm. -Vertical sensitivity: 10mV/Div – 5V/Div (progressive by 1-2-5). Description Square wave test source with 1KHz /3., 3V. -Highest real-time sampling rate: 1Msps., -Accuracy: 12Bit. DSO138 was designed as a lightweight, portable, training oscilloscope kit. The heart of DSO138 is a Cortex-M3 ARM processor (STM32F103C8) from ST DSO138 2.4 TFT Pocket-size Digital Oscilloscope DIY Kit DIY Parts for... Waveforms before observable triggering (Negative delay) With automatic, conventional and single trigger mode, Digital Oscilloscope Kit is easy to capture the instantaneous waveform Digital Oscilloscope Kit SHUATI DSO138 2.4 Inch Sampling Rate Red Oscilloscope DIY Kit 1msps 200KHz Bandwidth