| Advanced semiconductor sensor, with sensitivity and quick accountability, simple and convenient to use. It will show the final test result in digital and cartoon mode, anyone can check themselves by this tester. 5 result levels: very good, normal, not very good, bad, very bad. Digital LCD display and cartoon with orange backlight, save energy and environmental protection, with calming colors and will not hurt your eyes. Quick response and cv, with self-check to show different conditions. Portable design, small size with compact structure, easy to put in your pocket and carry with you. Non-contact design, breathe 5-10mm from the detector, more . Battery saving design, low battery indication,… | |