Applications: Suitable for applications where function and time requirements are known.Time switch, possible to be used for pump decay time after switching heating off, switching of fans.Function Features:GRT8-B Delay off FunctionSupport Wide Range Voltage: AC/DC12-240V / AC230VOutput Contact: 1SPDT(1NO1NC) or 2SPDT(2NO2NC)Time scale 0.1 s - 10 days divided into 10 ranges, time setting by a potentiometer.0.1-1s, 1-10s, 6-60s, 1-10min, 6-60min, 1-10hr, 0.1-1day, 1-10day, only ON, only OFFRelay status is indicated by LED.1 MODULE 18mm, DIN rail mounting.size: 90 x 18 x 64mmMaterial: PCcolour: whitePackage Contents:1 x Time RelayOnly 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.