Materials : 316L Stainless Steel Case : Silver Brushed Finishing Measurements : 45x45x12mm ( WxHxD) Strap : Black Genuine Leather Strap Functions : Unique Time Display USB rechargeable: unscrew & connect to your computer USB cable and screw driver included Patented Motor Movement
Instruction Manual can be downloaded here :
https://www.innomind.hk/instruction-manual/Click-speedometer-Instruction-Manual-English.pdf