The Ped-Cardio Heart Monitor by Brunton features an IR Heart Rate Monitor and special functions such as speed (min/km - min/mile) and an automatic timer making it the ideal training partner. Ped-Cardio also includes step and distance functions - and an additional memory function stores and displays total step - distance and exercise time. The built-in filter function prevents recording of body movements and false steps. Backlit display makes evening or night use possible.Features:Pulse measurementStep counting functionDistance measurementCalories consumptionStride adjustableMotion filterBacklightBelt clipCount up timeMemory modeSpecifications:Overall dimensions: 2.1 in. x 2.1 in. x 1.3 in.Weight: 1.6 ozWarranty: One yearIncluded:One CR2032 3V lithium batteryNylon clip chain