TOMAR’s model 1002WEP Explosion-Proof POWER ALARM® siren is a rain tight solid state audible alarm, that features a choice of 8 field selectable tones plus remote control selection of 4 tones with priority. All models of 1002WEP alarms are o-ring gasketed and are UL listed for Class I, Division 1, Group C & D, Class I, Division 2, Groups A, B, C, & D, Class II, Division 2, Groups F & G, NEMA Type 4X, and marine outside (salt water) use.