UTC GE ELECTRO SIGNAL LAB TS7-4, 4 WIRE SMOKE DETECTOR 12/24VDC UL
The TS7 series of low-profile, self-diagnostic, 2- or 4-wire smoke detectors monitor their own sensitivity and operational status.
The easy-to-install head and base design features field-replaceable optical chambers and automatic drift compensation.
The TS7 smoke detector head is packaged with 6-inch bases that support both 2- and 4-wire heads.