No need to preheat the machine to start sealingIt automatically seals and rests to cool the seal according to the preset time.Fast sealing saves energy.Wide range of product options for various working purpose.TIS-300SPECIFICATION DIMENSION (WxDxH) : 390 x 400 x 910 SEALING LENGTH : 300 mm SEALING WIDTH : 5 / 10 mm WEIGHT : 27 kg