WHAT DOES TESTIFIRE XTR2 MEAN?

Testifire is the planet's first multi-stimulus detector tester for smoke, warmth and CO fire detectors. It permits speedier and a lot more productive testing of the two single and multi-sensor detectors. There are two products out there - Testifire one thousand for testing smoke and heat and Testifire 2000 for testing smoke, warmth and CO.These mul