VEVOR Thermal Binding Machine, 400 Sheets Capacity Hot Glue Binding Machine, Thermal Book Binder 40mm Binding Thickness A3(Short Edge)/A4/A5 DocumentDurable and RobustEfficient HeatingHigh Capacity Binding MachineEasy BindingWide ApplicationDual Buzzer AlertMax Binding Length: 320 mm/12.60 in,Heating Time: 1 Hour/250 Books,Control Method: Mechanical Switch,Preheat Time: 20 min,Product Dimensions: 969 x 471 x 349 mm/38.15 x 18.54 x 13.74 in,Safety Protection: Reduces to 100° after 30 Mins of Standby,Display Method: LED Indicator,Compatible Paper Sizes: A3 (Short Edge) / A4 / A5,Binding Capacity: 400 Sheets,Item Model Number: B40M,Product Weight: 46 kg/101.41 lbs,Heating Method: Heating Tube,Heating Temperature: 170℃-200℃,Max Binding Thickness: 40 mm/1.57 in