Body Weight Scales features: 400lb Backlit LCD Digital Bathroom Body Weight Scale Lb/Kg/st + 2x Battery Specifications: 1. Colour: Black 2. Dimensions: (11.02 x 11.02 x 0.98)" / (28 x 28 x 2.5)cm (L x W x H) 3. Weighing Platform Dimensions: (11.02 x 11.02)" / (28 x 28)cm (L x W) 4. Weight: 45.3oz / 1284.2g (Not Include Package) 5. Maximum Capacity: 180kg / 397lb 6. Division value: 0.01kg / 0.02lb 7. Unit: lb/kg/ st 8. Sensor: Fifth Generation High-precision Sensor 9. Material: Toughened glass 10. Smart Power on: Immediate Auto Power on as soon as You Step on the Scale 11. Smart Power off: Auto Power off in 10 Seconds as soon as You Step off the Scale 12. Stand-by Time: About One Year(Based on the Actual Usage Frequency) 13. Display Screen: LCD Backlight Display 14. Power Supply: 1.5V x AAA Battery (Included) 15. Tolerance Range: 0.3-0.5kg How to use: 1. Put batteries in the battery compartment at the back of the scale. 2. Units Switch: Press the unit key at the back of scale to choose kg/lb/st. 3. Keep the scale on the flat surface. 4. Step on the glass platform, the scale will turn on automatically. 5. Stand still for some seconds until LCD display shows your body weight. 6. The scale will turn off automatically after 5 seconds. Package Includes: 1 x Personal Scale 1 x User Manual 2 x 1.5V AAA Battery