Upgrade your caulking experience with the Seesii 21V Cordless Caulking Gun. This electric caulk gun delivers effortless, professional sealing for windows, bathrooms, kitchens, doors, and more. Equipped with two 2000mAh batteries, four adjustable speeds, and a lockable trigger for tight spaces, Seesii ensures fast, precise, and fatigue-free caulking every time. Compatible with all standard 10oz/300ml cartridges, this tool is perfect for DIY projects and professional applications alike