You will enjoy the straightforward operation: the electronic start/stop is triggered by a photocell, a visual signal indicates any malfunction, and the motor cuts out automatically when the front door is opened or the waste bag is full. Compact shredders with the power of an office model.  The DAHLE 300 series is designed for heavy-duty personal applications where a personal shredder just isn't enough.  Housed in an attractive wooden cabinet with full electronic features, these workhorses are perfect for the busy executive or administrative assistant.