Brand BoGeer Quantity 1 Color Silver + black Material Plastic Functions Auto/ RT / Clock / Data / Speed / Average speed / Max speed / DIST / ODO / RAT / TT / RPM; Set time range; Metric/ Inch speed contrast zero out; Power saving facility auto power on dynamic data 4 windows; Temperature display stopwatch green backlight; Bicycle maintenance reminder; Record two datas at the same time Screen Size 1.6 Inch Power Supply 1 x CR2032 (included) Packing List 1 x Speedmeter 1 x Magnet 5 x Tie cables 1 x Chinese & English user manual 1 x Gauge stand + sensor probe (90cm)