Twin light, LED rated operating voltage 24V AC/DC, LED color red + green, luminosity 15mcd, heat dissipation 2W/LED, flashing frequency norm. 2 Hz, standard front dimension 45 mm, mounting width 1 SU (17.5mm), top-hat rail mounting, terminal cross-section 1-10 mm², type conform to IEC/EN 60669, VDE 0632