Wireless finger heart rate monitor. • Cardiogram graph, average heart rate and blood oxygen measurement. • Measurement by infrared tunnel. • Works with two AAA batteries. • Includes a 40 cm long transport lanyard with wireless finger heart rate monitor. • Cardiogram graph, average heart rate and blood oxygen measurement. • Measurement by infrared tunnel. • Works with two AAA batteries. • Includes 40 cm long transport lanyard with hook Material: PVC Alloy: Metal;; Colour: Black;