GRT8-S2(1SPDT) Rated voltage:AC/DC12V-240V 2 time functions:Cycler beginning with pulse.Cycler beginning with pause Function choice is done by an external jumper of terminals S-A1. Time scale 0.1 s-100 days devided into 10 time ranges: 0.1s-1s/1s-10s/0.1min-1min/1min-10min/0.1hrs-1h/1hrs-10hrs/0.1day-1day/1day-10days/3days-30days/10days-100days Relay status is indicated by LED. Product Size: Ultra-small size, only 18mm width, 35mm rail mounting. Color:white Material:ABS size:90x18x64MM Package Contents: 1 x Relay Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.