Operation method:1.Connect your router/optical modem/other DC voltage product to this product, and then connect your device power adapter cable.2.The time to start counting when power is on, the default is 24 hours, fully automatic cycle For example, if you need it to automatically restart at 00:00 every night, then turn it off and on again at 00:00. It will power off/on every 24 hours.In theory, it supports all DC5V 9V 12V 24VDC devices, such as: network , Fiber Modem, optical cats, no restrictions on brands.Connector type: DC5.5 female, DC5.5 maleIndustrial level:Support DC5V~24V DC equipmentCivil level:Support DC5V~24V DC equipmentProfeional level:Support DC5V~24V DC equipmentColour:White/BlackMaterial:plasticPackage Contents:1 x Router restart lineOnly 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.