UNI-T UT81B Scopemeter Review

Buyers guide and review of the UNI-T UT81B Scopemeter.
Buy the UT81B here: http://astore.amazon.com/m0711-20/det...
Other oscilloscopes: http://astore.amazon.com/m0711-20?_en...
The UT81B is a multimeter / oscilloscope hybrid (scopemeter) that could be very useful to an electronics hobbyist / enthusiast.

Details:
Basic Functions Range Best Accuracy
DC Voltage 400mV/4V/40V/400V/1000V (0.8%+8)
AC Voltage 4V/40V/400V/750V (1%+15)
DC Current 400mA /4000mA/40mA/400mA/4A/10A (1%+8)
AC Current 400mA/4000mA/40mA/400mA/4A/10A (1.5%+8)
Resistance 400W/ 4kW/40kW/400kW/4MW/ 40MW (1%+5)
Capacitance 40nF /400nF/4mF/40mF/100mF (3%+8)
Frequency 10Hz~10MHz (0.1%+3)
Vertical Accuracy (5%+1)
Input Sensitivity 20mV/div-500V/div (1-2-5)
Horizontal Accuracy (0.01%+1)
Timebase Range 100ns/div-5s/div (1-2-5)
Bandwidth 8MHz
Display Resolution 160X160
Real-Time Sample Rate 40MSa/s
Duty Cycle 0.1%~99.9%
Special Functions
Diode
Continuity Buzzer
Display 160x160 Monochrome
Trigger Types Free Run / Normal / Single Shot
Memory 10 screens and setups
Contrast and Bright Setup

Input Impedance For DCVoltage Measurement
Around 10MW
Sleep Mode
Low Battery Display
Display Backlight
USB
Max.Display 3999
GENERAL CHARACTERISTICS
Power 1.5V Battery (R6) x 6
LCD Size 60 x 60mm
Product Color Red and Grey
Product Net Weight 498g
Product Size 200 x100 x 48mm
Standard Accessories

Test Lead , Battery, English Manual ,Alligator Clip、
USB Interface Cable, Software, Power Adapter
Optional Accessories* Scope Probe, BNC Probe