Double-Relay Version design, This product is designed for automatically restarting computers when blue screen crash occurs, especially well used in mining, servers, gamers, monitoring systems, etc. Applicable to a variety of computer motherboards. motherboards just need with a Type-A USB interface.Use for windows x86/x64 system. include winxp, win7, win8, win10 .Need to install the driver to compatible with a variety of motherboards. With Desktop software, It can precise monitoring the program as your need. no software version. Computer monitoring software: PCWatchdog. Reboot timeout time 10-1270 secondsYou can set up it as your need.Function: Module Timer; Specified Program Monitoring; Scheduled Restart; Website Monitoring; Video Card Monitoring; Run Log Query; Support Forced off Restart; Support Connect electricity Automatic Starting up.Different production batches , The appearance of the product may be different from the picture.How to use?Install the driver: Before install driver, please do not connect USB watchdog with your computer, double-click "Watchdog Driver. exe", click "Install", waiting for the installation is complete.Connect Watchdog to computer USB port: Connect Watchdog to computer USB port. Do not connect cable with the motherboard reset pin temporarily, because default time-out time is 3 minutes, if drive installment has not finished within 3 minutes, the USB Watchdog may send a reboot signal to system. Wait for the computer to finish the automatic recognization of the watchdog module.Connect the cable with the motherboards reset pin.If you want to fix the Setting, you can open the configinf to fix.timeout=180;//Timeout reset time can only be 10 integers, range 10-1270 secondsTimedRestartDays=3;//Auto restart daysHttpName=;//the link which you want to watch,it will not watch if you do not fill in,such as poolethfansorgAppName=;//the app you want to watchVideoCardMonitor=1;//Do you want to watch the video card?0 not watch,1 watchStart the Software.start the USBWatchdog V255 software and configure as your need.Advise you reboot the USBWatchdog software after you changed configure.Colour: blueMaterial: PCB board + electronic componentsSize: 55x23x15mmPackage Contents:1 * Watchdog Control Board1 * 50cm cableOnly 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.