1Vibration and Suction: Tile leveling vibration tool, with a vibration frequency of up to 10000Hz/min, equipped with 125mm suction cup, can adsorb 50kg of tiles, which is efficient and practical. 25 Gears Adjustment: This cordless tile vibrator supports 5 gears adjustment, and can adjust the vibration gear according to the size of the tiles and the thickness of mud and sand, to meet more needs. 3High Efficiency: When using this tile vibration leveling machine, the speed of the installation is greatly increased and the damage rate of tiles is minimized to greatest extent possible. 4Applicable Batteries: This tile leveller is powered by lithium batteries, suitable for BL1815 BL1820 BL1830 BL1840 BL1850 BL1860 BL1850B BL1860B BL1830B and BL1840B BL1820B 18V batteries. 5Simple Operation: With exquisite workmanship and ergonomic design, this cordless tile leveling machine has a comfortable handle, making it easy to grip and operate for a long time.