WHAT DOES TESTIFIRE XTR2 MEAN?

Testifire is the world's initially multi-stimulus detector tester for smoke, heat and CO fire detectors. It permits more quickly and more economical testing of equally single and multi-sensor detectors. There are 2 designs out there - Testifire 1000 for testing smoke and warmth and Testifire 2000 for testing smoke, heat and CO.It is UL Qualified an