Chiworld Blue Flash LED Watch Gift Sports Car Meter Dial Men/ Wrist Watch LW2-902660-RPP-091 Imported Function setting:Adjustable LED brightness, Timing function, can setting in default time interval automatic LED lighting on, ON/OFF setting automatic LED lighting function; Watch Face: Make of stainless steel, watch glass Size Approx 2.8*3.1 cm; Watch case Size: Approx4*3.8 cm, Watch thickApprox1.1cm; Watch Screen: Display, Time/Week/Date; Watch Strap: Made of Plastic; Length=170 mm, thickness:Approx0.3cm; Material For Selective: Scrub / smooth. Battery included.