Please be careful to the difference between single-unit SKU and SKU with bundle. [Large Capacity] Internal size 450*210*211mm, can dry 4 rolls of 1kg consumables at the same time, meet the user's multi-colour printing and multi-computer printing needs.[Rapid heating] Built-in 300W PTC heater, heating to 50℃ in 30mins, faster and more efficient.[3 levels of safety protection] PTC (Positive Temperature Coefficient Thermistor), temperature switch, and software triple protection, real-time temperature monitoring, and alarm prompts when the temperature is abnormal, for greater safety.[Temperature Balance] The left and right side circulating fans and the bottom heating fan in the chassis ensure that the temperature in the chassis is balanced ±3℃, and every part of the consumables can get perfect drying effect.[Adjustable humidity] Adjust the humidity in the chassis, the humidity in the box reaches the set value (30%-50%) will automatically start until the humidity drops to 25% and then stops, to better meet the humidity needs of different types of consumables.[High compatibility] Support with all models of printers connected to the use; support 4 printers at the same time baking material printing; compatible with consumables wire diameter 1.75mm, 2.85mm, 3.0mm. Name: S4-Filament DryerModel: S4-FDNet weight: 4.8KGOuter Size: 516*278*350mmG.W.: 5.5KGQTY/BOX: 1pcSize: 458*218*312mm (including the height of the tripod)Colour: BlackMaximum Capacity: 450*210*211mmPower Input: AC 110V~240V 50Hz/60HZRated Power: 320WContains:1* S4 drying box, 1* power adapter, 1* user manual, 2* Teflon tubes (100cm), 4* Teflon tubes (8cm)Warranty: 1 year warranty, the use of non-original brand power supply or not in accordance with the instructions for the correct operation of the damage caused by the warranty is not covered.