[Digital Timer is Programmable for up to 48 Hours of drying time1000 watts of drying power! 120 VoltsPatented Converga-FlowÂAdjustable Temperature Control from 90-160Â° FIncludes 52-page recipe and instruction book, 4 drying trays, 1 solid sheet, 1 mesh sheet, and 1 packet jerky spice to make great tasting beef jerky or venison jerky4.5″ Fan, 2400-RPM MotorOpaque Vita-SaveÂ Exterior (blocks harmful light)Expandable to 20 trays. No tray rotation, 1 Sq. ft. per tray. Tray size 15 1/2″ diameter] Our “New Digitally Controlled” unit! Top mounted fan eliminates liquids dripping into the heater chamber. Comes with 4 drying trays but expands to a giant 20 trays so you can dry large quantities all at once! 1000 watts of drying power means you can dry more, faster. Patented Converga-Flow forces heated air down the exterior pressurized chamber, then horizontally across each individual tray, converging in the center, for fast, even and nutritious drying. No flavor mixing! No need for tray rotation. Fast, powerful fan! A quiet, 2,400-RPM motor and specially designed 4-1/2 inch fan mean faster, more nutritious drying. Four times faster than dryers which have no fan or motors. Adjustable thermostat! Different foods need different temperature settings. The adjustable 90-160° F digital control gives you the flexibility to get the best results. Vita-Save Exterior! The opaque exterior blocks light to retain more of the food’s nutrients and vitamins during the drying process.