MOSISO Digital Bathroom Scale Ultra Thin High Accuracy Tempered Glass Electronic Body Monitor with Smart Step-On Technology and Back-Lit LCD Display (Up to 400 Pounds), Black Mosiso "Smart Step-On" technology - No more tapping or switching scale to turn on. Step on the scale and get instant readings. Non-slip feet will not scratch floors Equipped with 4 latest version high precision sensors (technology from Germany) - consistent and accurate measurements up to 400 pounds or 180 kg; graduation increments of 0.2 pounds./0.1 kg; measure units are available in pounds Light weight, Ultra thin Design; Please take off the battery protection tag for 1st time use. Scale must be placed on flat, level & hard floor for accurate weight. Unit switch: the scale can display in Kg, Lb or St with unit press button switch at the back.