Auto on: When you step on the platform, the scale will automatically turn on.Auto off: It will automatically turn off after work.2.1" LCD Screen.With low battery indication.With tare function.With Lock and Unlock function.Two modes for unit option: bl and kg.With capacity of 150X0.1KG or 330X0.2LBPowered by 2 * AAA batteries (batteries NOT included).High accuracy.Low power consumption.Decent design.Simple usage.A must buy to take care of your health and body shape.Capacity: 150KGAccuracy:100GUnit: LB/KGPower: 2 * AAA batteries (NOT provided)MODE: Switch unit between lb and kg1. Be off status, press ON to turn it on;2. Be at working status, press ON for 3 seconds to turn it off;3. Be at working status, press ON for tare function.Material: Durable plasticsColor: BlackProduct dimensions: 240*150*27mmProduct weight: 450gOperation:Step 1. To make sure accuracy, always put the scale on a hard and flat surface like wooden or marble floor (avoid carpet or soft surface).Step 2. Gently step on the scale, then the scale will be automatically turned on.Stand evenly on the scale without moving and wait until your weight shown on display is stable and locked.Package included:1 x 150kg Personal Portable Digital Scale (batteries are NOT included)1 xUser manual