Digital heart rate monitor with wireless heart rate monitor and oximeter. Black

Wireless finger heart rate monitor. • Graph of cardiogram, average heart rate and blood oxygen measurement. • Measurement by infrared ray tunnel. • Works with two AAA batteries. • Includes 40 cm long transport lanyard with quick coupling. Silicone coated interior. Battery: 2 AAA batteries not included Landyard length: 40cm Working temperature: between 5º and 40º