CatEye Stealth 10 GPS Bicycle Computer - CC-GL10 Upper display: Current speed 0.0 (3.0)~105.9km/h [0.0 (2.0)~65.9 m/h] Battery: Lithium-ion rechargeable battery USB Cradle, Weight: 60 grams, Dimension: 69.0 x 45.0 x 22.4 mm Standard charging time: Approx. 5 hours (USB2.0) Recharge/discharge number of times: About 300 times (until the rated capacity drops to 70%)