Oscilloscope 8 in 1 Tool unboxing review. <br /> <br />Digital oscilloscope, logic analyzer, signal PWM generator, frequency counter <br /> <br />This product is not include 9V Battery but include plastic box. <br /> <br />1).OSCILLOSCOPE: The maximum sample rate is 1MSPS(one channel), and the measure voltage range is between 0V and 12V. <br />2).LOGIC ANALYZER: We have four sampling channels and one Clock Input. The sampling depth is 180 bits.The maximum External Input Clock is 1MSPS. <br />3).VOLT AND LOGIC Test: The measure voltage range is +0V to +15V.Four Channels, measure Logic-0/Logic-1. <br />4).Signal GENERATOR: The output frequency is between 1Hz and 199KHz, the square-wave signal output. The effective setting frequency value is three-digit. <br />5).PWM GENERATOR: The output frequency range is 0.1 KHz~25.0 KHz.Duty Range is 0%~99%. <br />6).EVENT COUNTER: The display shows the 7 digits. The display count number is 0~9999999. <br />7).Frequency COUNTER: Frequency COUNTER Measurement 10Hz to 20MHz and Auto Range. <br />8).RC SERVO: Generates 1.0ms to 2.0ms pulse for r/c servos, the RC output duty cycle is 20ms. <br /> <br />General Specifications: <br />PIC32 DSP Core: 50 MHz/83 DMIPS MIPS32® M4K® <br />Graphic LCD display 2.2", 320x240 pixels <br />PCB size: 9.4 cm x 5.0 cm <br />3 tactile switches(U,S,E Keypad) <br />Power Supply: Battery is 9V Ni-MH.( You must buy Battery in additional) <br /> <br />Main improvement would be input Oscilloscope Amplifiers to allow reading of milli-volts. <br /> <br />The product needs to be assembled and soldered by yourself. <br /> <br />Please hyperlink the following website to download the documentation(PDF) <br /> <br />https://onedrive.live.com/view.aspx?resid=556ED1951D776712!146&cid=556ed1951d776712&app=WordPdf <br /> <br />.