Body Weight Scales features: Smart Wireless Digital Body Fat Scale Usb Bathroom With Smartphone App(Black Color: we send based on the color or size of the main image of the product page. Quantitywe send based on quantity on title, if there is no quantity in the title, we send based on . Colour:Black Product size: 26*26cm*2.3cm Material: ABS environmental protection material Display: LCD display Panel material: explosion-proof tempered glass Bearing range: 0.1-180kg Graduation value: 10g Use: Download the okok international version, and use the English version of the APPThe battery model uses 2 AA batteries, and the deIivery does not include batteriesRechargeable deIivery includes: English manual + USB charging cable, battery version only has manual