This Harmony REXL timing relay can be set between 0.1 seconds and 100 hours, has an output rating of 5A, is 21mm wide and can be supplied with 24V DC.It is a plug-in device, meaning it is quick and easy to install with the need for tools.It also offers a sealable cover, simple and precise settings with rotary trimmers.It is designed for socket plug in, this allows quick and easy installation and minimizes set up and repair time.Status display with 2 LEDs, visually inspect the status of you system without specialized tools.