... replaceable Li-ion battery 2.3 in 1,Digital Oscilloscope,Multimeter,Cymometer 3.CE approval 4. FFT Digital Oscilloscope Application: ... 1. Autoscale2. 20 Automatic Measurements3. 3 in 1(Digital Oscilloscope+Multimeter+Cymometer)4. Bandwidth: 20MHZ-100MHz5. Support USB for data transmission ... battery 7.4V, 6 hours operation Warranty: Digital Oscilloscope, Multimeter - HDS2062M-N 3.7'' 60MHz, 250MS/s