Features:
Advanced semiconductor sensor, which with fine sensitivity and fast responsibility, simple and convenient to use.
It will show the final testing result in digital and cartoon mode, everyone can check themselves by this tester.
5 levels result: Verygood, normal, not sogood, bad, very bad.
Digital LCD and cartoon indication with orange backlight, save energy and environmental protection, with soothing colors and will not hurt your eyes.
Quick response and resume, with self-checking to show different conditions.
Portable design, small size with compact structure, easy to put into your pocket and carry around with you.
Non-contact design, breathe out 5-10mm away from the detector, more hygiene.
Battery saved design, low battery indication, 2 AAA battery can provides long service time (battery is not included).