1. Lithium battery electric drive, eliminating the need for manual pressing. Saves effort and avoids arm injury during construction 2. Six-speed adjustment, quick glue application, balancing fine joint sealing and large-area construction 3. Automatic glue retraction and pressure relief, no glue overflow waste, resulting in neat and beautiful finished products 4. Ultra-large thrust motor, suitable for high viscosity structural adhesives, soft/hard adhesives, without jamming 5. Dual tube convertible dual-purpose design, covering glass glue, joint sealant, structural glue, etc 6. Suitable for multiple home decoration scenarios: doors and windows, joint sealing, baseboard, kitchen and bathroom waterproof sealing 7. Ergonomic anti-slip body, separate lithium battery, long battery life, easy to disassemble and assemble 8. Battery model: Mutoh (battery not included during shipment)