Spectrum Analyzer with 2 Input Modes: Lesser quality UHF input for 240MHz-960MHz and high quality MF/HF/VHF input for 0.1MHZ-350MHz. 2 Output Modes: MF/HF/VHF sinus output between 0.1MHZ-350MHz, UHF square wave output between 240MHz-960MHz. Slim and Compact: The sleek and slim design is only 0.6 inch (15 mm) thin, so you can single-handedly operate.(Built-in 650mA battery) ESD Function: With ESD Function, it is more stable and sensitive with higher antistatic level and longer service life. In addition, it built-in calibration signal generator that is used for automatic self test and low input calibration. Material:Metal + Plastic colour:black Package Contents: 2 x Tiny Spectrum Analyzer 4 x 20cm RF Cable 2 x SMA Telescopic Antenna 2 x SMA Female to Female Connector 2 x Touchscreen Pen 2 x USB Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.