The SpectrAlert Advance LENS-BC is blue lens used for any indoor or outdoor ceiling mount strobes.
The L-Series SEP-SPSWL-P is a PLAIN, clear lens, white strobe and speaker strobe expander plate (full candela range) back box skirt.
L-Series, red, wall-mounted, clear lens, strobe marked "FIRE". Selectable strobe settings: 15, 30, 75, 95, 110, 135, and 185 cd.
The SpectrAlert Advance SPSRK-P is an unmarked, red, outdoor speaker strobe for wall installation with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.
The SpectrAlert Advance SPSCWK is a white, outdoor speaker strobe for ceiling installations with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd.
The SpectrAlert Advance P2WK is a white, two-wire, outdoor horn strobe with selectable strobe settings of 15, 15/75, 30, 75, 95, 110 and 115 cd. Outdoor back box included.