Timex T5K718 Men’s Ironman Road Trainer Digital HRM Flex Tech Chest Strap& Full Size Black/Silver-Tone/Blue Watch

Audible and visual target zone alarms; 12/24-hour clock with day/week indicator
Polar OwnCal mode tracks energy expenditure for single and accumulated workouts
Offers EnergyPointer and ZonePointer modes; water-resistant to 30 meters; 2-year warranty

light weight, portable , Color OLED display, 4 direction
run on 2 x aaa battery for 30 hours continuous use. auto shut off in 8 sec. when idle
Adjustable audio alarm range:the safety range of SPO2 and pulse rate are adjustable

360 DEGREE REFLECTIVITY from logos, straps and our spin dial get you seen at night and a DETACHABLE VISOR keeps the sun and rain out of your eyes
MAGNETIC BUCKLE and a soft chinstrap makes one handed operation easy and means no pinching of your neck
ABS shell with EPS inner foam lining meets both CPSC (for cycling ages 5+) and ASTM-F1492 (for skateboarding & trick roller skating) certifications

Transmits heart rate data to Polar monitors using 5kHz transmission and compatible gym equipment. Compatible heart rate monitors include, but are not limited to: FT1, FT2, FT4, FT7, FT40, FT60, FT80, RS100, RS300X, RS400, RCX5
Individually coded to pick up your heart rate monitor and not others nearby. This eliminates cross-talk with other electronic devices in the same area.
Slim, lightweight, and waterproof design