Excalibur 4 Tray Dehydrator no timer. UK Plug. Excalibur 4 tray dehydrator 4 trays, 11” (280mm) x 11” (280mm) each. Mesh screens are BPA free. Adjustable Thermostat 40°C to 74°C. Temperature range is low enough to preserve active enzymes in fruits and vegetables. Temperature range is also high enough to meet safety standards for dehydrating meat for jerky. 3.5 ft2 of drying space. No timer. Adjustable thermostat 40°C to 74°C 4-inch fan, 220 Watts. H216 x W432 x D483mm.