Product details:

This 138pro portable oscilloscope with small size, size of this oscilloscope only 65*60*18mm, compared with traditional oscilloscopes, it is more suitable for carrying around. If you are looking for a new oscilloscope, come and try this product, it will not let you down.
Features:
Portable Oscilloscope: Compared with traditional oscilloscopes,this oscilloscope with smaller size and more suitable for carrying around.
One Button Auto Adjust: One button AUTO setting all parameters and quick waveform measurement. Long press AUTO button to quick calibration baseline.
3 Trigger Modes: singles trigger mode for tests unexpected non-periodic signals, automatic trigger modes for test period analogs signals and normal trigger is for tests digital logic signals.
PWM Waves Output: This oscilloscope with PWM waves output function, 0-80kHz frequency ranges and 0- duty cycle.
Wide Applications: This oscilloscope is suitable for car repairing, DIY, home appliance maintenance, experiment teaching, etc.
Specifications:
Material: PCB
Type:(optional)
Type1: without P6100, without battery
Type2: without P6100, with battery
Type3: with P6100, without battery
Type4: with P6100, with battery
Battery: 1 battery, 1250mAh (only type2&4 included)
Sampling rate: 2.5MS/s
bandwidth: 200KHz
Voltage ranges:
X1: 40V(Vpp:80V)
X10: 400V(Vpp:800V) (only type3&4)
Trigger modes: Single, Automatic, Normal
Coupled mode: AC/Direct current
PWM output: 3.3V
Frequency: 0-80kHz
Duty cycle: 0-
Package size: 65 60 18mm / 2.6 2.4 0.8in
Package weight:
Type1&3: 162g / 5.7ounce
Type2&4: 182g / 6.4ounce
Packing list: (Optional)
Type1&2:
1 Oscilloscope
or
Type3&4:
1 Oscilloscope
1 P6100
Brand:Htovila
Manufacturer Part Number:KY45-42
Assembled Product Weight:0.12 lb
Assembled Product Dimensions (L x W x H):2.56 x 2.36 x 0.71 Inches