Applications: Suitable for applications where function and time requirements are known. Time switch, can be used for pump delay time after switching heating off, switching of fans. Function Features: GRT8-B delay off function supports wide range voltage: AC/DC 12-240V / AC 230V. Output contact: 1SPDT (1NO1NC) or 2SPDT (2NO2NC). Time scale 0.1 s to 10 days divided into 10 ranges, time setting by potentiometer: 0.1-1s, 1-10s, 6-60s, 1-10min, 6-60min, 1-10hr, 0.1-1day, 1-10day, only ON, only OFF. Relay status indicated by LED. 1 MODULE 18mm, DIN rail mounting. Dimensions: 90 x 18 x 64mm. Material: PC. Color: white. Package Contents: 1 x Time 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 to differ slightly from the actual product. Measurement allowance is +/- 1-3cm.