Photoelectric Smoke Detector SD-651 Conventional Notifier with BASE B401
FEATURES: '' Identical appearance to standard NOTIFIER low-profile intelligent detectors. '' Sleek, low profile design. '' Same base for both ion and photo models. '' Compatible with all System Sensor 400 Series products. '' Two LEDs blink in standby and turn on steady in alarm. '' Lower standby current. '' Broad range of adapter bases available. '' Dual LEDs provide 360 visibility.