a stand-alone base device using a separately available locking white cap (BF330CTLIDW) / red cap (BF330CTLIDR), or a combined base device and detector (detectors are separately available and wired on a separate detection circuit). The base devices are compatible with C-TEC’s range of ActiV conventional detectors and other compatible third-party suppliers.; Third-party certified to EN54-3 (Sounders) and EN54-23 (VADs). Provides 'C-3-8.5' light distribution (min 0.4 lux over a 3 x 8.5m cylindrical area). Impressive 96dB(A) sound output @ 1m. 31 selectable primary and secondary tone pairs and two volume levels (high and low) Three selectable VAD flash rates (0.5Hz, 1Hz, OFF) Alarm Current at 30Vdc = 12.2mA (0.5Hz) or 19.5mA (1Hz) Alarm Current at 18Vdc = 14.5mA (0.5Hz) or 25mA (1Hz) Optional BF330CTLIDW white or BF330CTLIDR red cap available for stand-alone use. Supplied with a BF431QCP quick connect plate and detector spur wires. IP21C rated.