Features: Experience the efficiency in caulking with our Cordless Caulking Tool, featuring robusts constructions for your sealing needs. Boasting four adjust speeds, a LED light for precise in night condition, and durability ABS constructions, this electric caulking tool delivers consistent adhesive flow and long lasts performances. Suitable for professional contractors and enthusiasts alike, this tool simplifies caulking tasks, reducing hand fatigue and increasing productivity. Four gears adjust:Our wireless sealing tool have four speeds that can be adjusted, beginners can also use it easily (1gear: 77-86mm.2gear: 115-121mm, 3gear: 152-158mm, 4 gear: 190-196mm), Strong Battery Compatibility: Battery Cartridges Tool for 18V Battery Model No.: BL1830 BL1840 BL1850 BL1860 BL1840B BL1850B BL1860B BL1820 and more, the better the quality of the battery, the long the service life. Specifications: Material:Plastic Size:Approx.40x23x8.2cm/15.75x9.06x3.23inch Work Pressure:250kgs Working Time: 240Minutes LED Current:200ma LED Lumens Number:400-450lm Lithium Battery:20v;2000mah Working Current: 1A Filling Speed:95mm LED Color Temperature:6000-6500k LED Color Display:70-75ra Package Includes: 1pc Cordless Caulking Tool note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.