The SpectrAlert Advance P2WK-P is an unmarked, 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.
The L-PCM06B is also an excellent choice for multiple applications. It features a cone design, metal grille appearance plus a metal dome for great performance even in challenging environments.