Watchdog 1  
The watch dog timer adapter is your systems and peripheral applications protector! Watchdog timer adapter provides user selectable refresh timer to be used inside your PC, which prevents the computer to hang by automatically resetting the system of your computer

Watchdog 2
The watch dog timer adapter is your systems and peripheral applications protector! Watchdog timer adapter provides user selectable refresh timer to be used inside your PC, which prevents the computer to hang by automatically resetting the system of your computer

Watchdog PCI 
PCI Watchdog-card with  funktions like  ISA-card

Watchdog external RS-232 
External  watchdog for the RS-232 port   

Watchdog Cablekit 
Cablekit for PC without  reset-connector