Digital Display: Features an intelligent microcomputer chip with a digital screen to monitor and precisely adjust temperature, typically ranging from 220°C to 340°C.Cordless Mobility: Powered by a rechargeable lithium-ion battery (labeled as 88Vf, which is a common marketing designation for 21V systems), allowing for flexible use on job sites without power outlets.Heating Element: Uses a high-power aluminum heating plate with non-stick coating for fast, uniform heat conduction.Interchangeable Heads: Typically compatible with multiple "die heads" (nozzles) for standard pipe sizes like 20mm, 25mm, and 32mm.Safety Design: Includes an anti-scald insulation head and an embedded power switch to prevent accidental activation.