This is a single function power-on delay relay and time delay can be set by panel knob. Super wide time delay range, 0.1s - 10days (10 kinds of settings). With super small volume, this relay can be mounted on 35mm DIN rail. 12V-240V working voltage. Relay working status is indicated by LED indicators. colour: white Material: Plastic Size: 90 x 18 x 6.4 mm Package Contents: 1 x Small relay 1 x English manual Only the above package content, other products are not included. Note: Light 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.