... is "dead".ModelAlarm-0804: alarm card, supports 8 sensor inputs and 4 alarm relay outputs, with built-in watchdog function.Features ... -channel alarm inputs, 4-channel relay outputs - With built-in Watchdog feature - Auto reset function after power failure and output the alarm ... kg)0.32Application LV-AL0804, Alarm Card, supports 8 sensor inputs and 4 alarm relay outputs, with built-in watchdog function