The scale comes with auto-on and off technology, low battery and overload alerts and 2(AAA) batteries included so you can use this scale as soon as it is taken out of the box! A large LCD screen makes the numbers easy-to-read, and the sleek tempered glass boasts exceptional durability while perfectly meshing with any bathroom décor. Mode conversion key allows for the scale to measure in pounds, kilograms and stone. Weight capacity is higher than most digital scales at 440 lbs. Features step on technology that will produce an instant weight result with clinical accuracy.