Compact and Powerful: The 138 PRO is a highly portable digital oscilloscope designed for on-the-go diagnostics and learning. Its small size makes it easy to carry, yet it doesn't compromise on performance. High Sampling and Bandwidth: Experience precise measurements with a 2.5MSa/s sampling rate and a 200KHz analog bandwidth, suitable for a wide range of applications from education to field service. Enhanced Signal Integrity: With an 80KHz PWM output, this oscilloscope ensures accurate waveform generation and testing capabilities. -Proof: Stay updated with the latest features and improvements thanks to the firmware update capability, ensuring your device remains at the of technology. Color: Black Material: plastic Package Contents: 1 x Digital Oscilloscope Only the above package content, other products are not included. 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.