[Power and LCD display] :2 AAA batteries (supplied), the product can be used after installing the batteries, easy to operate. The LCD backlit display is cleraer to read, and the digital toddler scale will automatically shut down if no button operated within one minute. [Innovative tray design] :The bottom of the plastic tray has a lock design, which can be easily installed or removed, and the storage is convenient. The concave design is comfortable and safe when weighing baby or pet, there is no need to worry about rollover. [Multi-function] :The scale has multiple functions, one-button switch machine, zero return function, one-button switching of three units of kg/lb/oz. The hold function ensures that the baby or pet can be accurately weighed when it is tampering. [Accurate weighing] :Baby scales use high-precision sensors. Weighing range is 50g (0.1lb)-100kg (220lb), accuracy is 10g (0.02lb), and our digital baby scale is stable and durable. KG / LB / OZ one-button three-units conversion can meet different weighing requirement. [Maternal and child sharing] :Pregnant women can measure their weight during pregnancy. Using the tray can monitor the baby's weight and height, also help to accurately grasp the intake of breast milk. In addition,it can weigh small pets and luggage.