Six in one: Oscilloscope/Recorder/DMM/ Spectrum Analyzer/Frequency Counter/Arbitrary Waveform generator. IP-51 rated for dust, drip, and shake-proof to withstand harsh environments. Large fuse conforms to European Safety Standard. Battery indicator with easy-changed connect points. Selectable 18650 battery box for matching 18650 battery by yourself. Anti-theft lock hole, tripod fixed hole, hang rope, FLASH light that can be used in darkness. Replaceable BNC safety joints, and an additional set of joints. 1GSa/s sample rate, 2M Memory depth, 6000 counts DMM. Large 5.6 inch TFT Color LCD Display; High Resolution(640*480)