System Sensor 2151 SF 17/02 a Trouble condition is reported

a Trouble condition is reported to the control panel

Tracer 900 2019

5 programmable function keys and 3 one-touch emergency keys for quick access to crucial functions

2W Spkr Strb Sq Wall 24Vdc 15/30/75/110Cd Alert Rd

a tri-color status LED

System Sensor 2151 SF 17/02 a Trouble condition is reportedThe 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 capability of plugging this detector into a variety of special bases makes it more versatile than equivalent direct wired models.