1:knob setting 2:timer 3:AC/DC working voltage 4;24H timer size 50x40x57.5mm socket PF085A US-08 P3G-08 Time range 1,3,10,30,60s3,6,10,30,60 m2,6,10,24h working voltage DC:12,24,48,110VAC:12,24,48,110,220 and 240V Contact rating: 5A 2C Fastern clip available timer relay