The SpectrAlert Advance SRHK is a red, outdoor strobe with selectable high-candela strobe settings of 135, 150, 177 and 185 cd. Includes back box.
The 4WT-B is a 4-wire, photoelectric i3 smoke detector with a 135°F fixed thermal sensor.
The 4WITAR-B is a 4-wire, photoelectric i3 smoke detector with isolated thermal sensor, built-in sounder, and Form C relay.
The 2151 low-profile photoelectronic detector uses a state-of-the-art optical sensing chamber. This detector is designed to provide open area protection and to be used with compatible UL listed control panels only.
The SpectrAlert Advance P4RK is a red, four-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
The SpectrAlert Advance SA-WBBCW is a white separate ship, ceiling-mount, outdoor back box.