POLAR S720i - Manual (Page 101)

J. TECHNICAL
SPECIFICATIONS
J 99
Polar heart rate monitor is designed to indicate the level of physiological
strain and intensity in sports and exercise. Polar S720i/S710i also measures
altitude and temperature in cycling. No other use is intended or implied.
The altitude and temperature functions are not designed to be exclusive
measuring equipment in aviation, climbing sports, water sports or their
equivalent. Heart rate is displayed as number of heartbeats per minute
(bpm).
Transmitter
Battery type:
Built-in Lithium Cell
Battery life: Average 2500 hours of use
Operating temperature: -10
°
C to +50
°
C/ 14
°
F to 122
°
F
Material: Polyurethane
Waterproof
Elastic strap
Buckle material:
Polyurethane
Fabric material: Nylon, polyester and natural rubber including
a small amount of latex
Wrist receiver
Battery type:
CR 2354
Battery life: Average 2 years (2h/ day, 7 days/ week)