Evaluated by the NSA and meets the requirements of NSA/CSS Specification 02-01 for High Security Cross-Cut Shredders.SilentShred offers ultra-quiet performance for shared workspaces.Electronically controlled Safety Shield stops shredder when opened.Automatically shuts off after 30 minutes of inactivity for zero energy consumption.Shreds 4 sheets per pass into unreconstructable 1/32 x 3/16 cross-cut particles for NSA-approved security (Security Level P-7).Features 9 1/2" paper entry plus continuous duty motor for non-stop shredding.Requires a dedicated 15 amp outlet for optimal performance.9.25 gallon bin.For 1-3 users.