Computer Accessory Sets features: USB Watchdog Card Double Relay Unattended Automatic Restart Blue Screen Crash Timer Reboot for 24H Mining Server Gaming Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. IntroductionDouble-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. Specifications1. Applicable to a variety of computer motherboards. motherboards just need with a Type-A USB interface. 2. Use for windows x86/x64 system. include winxp, win7, win8, win10 ect. 3. Need to install the driver to compatible with a variety of motherboards. 4. With Desktop software, It can precise monitoring the program as your need. Better than no software version. 5. Reboot timeout time 10-1270 seconds. You can set up it as your need. 6. Newest monitoring desktop software version: USBWatchDog V2.3.Functions1. Specified Program Monitoring. 2. Scheduled Restart. 3. Website Monitoring. 4. Video Card Monitoring. 5. Run Log Query. 6. Support Forced Power off Restart. 7.Support Connect electricity Automatic Starting up. Package List1* Watchdog Control Board 1* 50cm power cable