TH201 4in1 instrument integrating thermal imager dualchannel oscilloscope 20000count multimeter and signal source in a compact handheld design; ISR 288240 thermal imager with 9696 sensor fixed 135 mm lens and macro lens for closerange PCB inspection at about 3 cm; Dualchannel oscilloscope with up to 70 MHz singlechannel bandwidth 200 MSas sampling rate 2K storage depth and multiple trigger and coupling modes; Digital multimeter with 20000count display supporting voltage current resistance capacitance frequency duty cycle diode and continuity measurements; 32inch 320x240 TFT color screen 4 GB builtin storage 3000 mAh rechargeable lithium battery and adjustable backlight brightness levels