Analog Oscilloscope,Dual Trace

Analog Oscilloscope, Dual Trace:
Technical Features:
Bandwidth: minimum 20MHz, Dual channel
Expanded vertical sensitivity to 20V/div
High sensitivity: 1mV/div
ALT triggering function
10 times sweep magnification
6-inch rectangular with internal graticule 8 x 10div (1div=1cm)
Accelerating voltage: 2kV
Illumination: Front panel control
Rise time: ?17.5ns/?50ns
Input impedance: 1M?