This dual-function time relay is suitable for industrial equipment, lighting control, heating element control, and motor/fan control. It offers two delay modes with a delay range from 0.1 seconds to 10 days. GRT8-EC Dual Function Time Relay Function: Power On Delay or Power Off Delay Voltage Range: AC230V Output: 1x10A(AC1) 1SPDT (1NO1NC) Time Scale: 0.1s - 10 days, divided into 8 ranges, adjustable with a potentiometer. Ranges include: 0.1-1s, 1-10s, 0.1-1min, 1min-10m, 0.1h-1h, 1h-10h, 0.1d-1d, 1d-10days. 1-MODULE 18mm, DIN rail mounting for convenient installation. Color: White Material: PC Package Contents: 1 x Relay (Other products not included.) Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real thing. The allowable measurement error is +/- 1-3 cm.