Features:

Analog bandwidth: 0 – 200KHz
Sampling rate: 1Msps max
Sensitivity: 10mV/Div – 5V/Div
Sensitivity error: < 5%
Vertical resolution: 12-bit
Timebase: 10us/Div – 500s/Div
Record length: 1024 points
Built-in 1KHz/3.3V test signal
Waveform frozen (HOLD) function available
Save/recall waveform

Specifications:

2.4-inch color TFT LCD with 320 x 240 resolution
Maximum Input voltage: 50Vpk
external power supply: 8-12V dc., 120mA

實物如圖，9.9成新，100% work，私保3天

有說明書和配件

** For DIY and hobby only, not for professional use!

平日粉嶺、或九龍灣站交收(本人不會出閘)

Reference: https://jyetech.com/dso-138-oscilloscope-diy-kit/