70 mm Stack Light, 0.5 in. NPT Base, Black Housing, 24V AC/DC, Steady LED Module, Level 1: Green, Steady LED Module, Level 2: Yellow, Steady LED Module, Level 3: Amber, Steady LED Module, Level 4: Red, Steady LED Module, Level 5: White, One Circuit Sounder Top, Level 6: None Sou nd Only, No Level 7 Module, No Level 7 Color, No Network Option