Electric letter opener is designed for high-speed processing of large mail volume, Automatically feeds, opens, and collects a stack of envelopes, Accepts 6"" tall stack of envelopes, Operates at a speed of up to 17,500 envelopes an hour, Opens envelopes up to 1/4"" thick, Adjustable width accommodates different envelope sizes and types, Electric letter opener comes with removable receiving tray, Ideal for large businesses and mailrooms, SKU: SPRCH30863