Garmin GPS Bike Computer EDGE 130 Plus HR General PHYSICAL DIMENSIONS 4.1 x 6.3 x 1.6 cm DISPLAY SIZE 27.0 x 36.0 mm; 1.8" diag (45 mm) DISPLAY RESOLUTION 303 x 230 pixels WEIGHT 33 g BATTERY TYPE Rechargeable lithium-ion BATTERY LIFE Up to 15 hours WATER RATING IPX7 https://buy.garmin.com/en-GB/GB/p/596828#specs