Voltage 24V AC/DC Sound Level 100 dB Sound Modes Continuous NEMA Rating IP 40 Diameter 55 mm Color Black For Use With 26ZT20-26ZT24 26ZT26-30 26ZT33-37 26ZT39-43 Height 1.6 in Housing Material Polycarbonate Standards UL CSA CE Current Drawn 0.15A Watts 3.6 W Includes Locking Cap Tower Light Sounder Tier