System Sensor 300 series smoke detector

Plug - in smoke detectors offer superb performance and reliability in a profile which is just 1.6" (4.2 Cm) deep. Model 1151 (ionization sensor) and model 2351 (photo electronic sensor) share the same sleek low - profile design and can be used with a variety of different adapter bases in several wiring configurations different adapter bases in several wiring configurations and voltages. Other features include : low current draw, stable performance in high air velocities, built in tamper resistant base design, remote led option, removable cover, and built - in test switch.