【Post-sale reminder】: All users purchasing "weiddw" products enjoy a 12-month free warranty. 【Usage scenarios】: Ideal for interior decoration, picture hanging, tiling, ceiling installation, and engineering measurement. 【Battery Life】: Includes 2×2400mAh batteries. Each lasts 3-4 hours continuously, totaling 6-8 hours of use. 【Modes】: Auto-leveling (range:...