Waterproof Pulse Wireless polar heart rate monitor watch Digital cardio sensor Fitness sport Running hrm Heart Rate Chest Strap Features: Wireless receiving heartbeat signal transmitted from heartbeat brooch,chest band frequency is AM5.3KHz; Time display: hours, minute, second; Alarm clock function; Give alarm shen heart rate exceeds the upper and lower limit values (60-220); Timing (maximum time-keeping is 23 hours, 59 minutes, 59 seconds, 99); 12/24 hour display format; EL backlight; Keystoke tone Waterproof: 50m Waterproof (please not press watch button under water.) Package Inlcuded: 1 x Watch(Battery included) 1 x Chest Strap(Battery included) 1 x English Instruction Product Notes: Please allow a little manual errors.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please confirm acceptance before ordering. About Shipping: Please ensure your shipping informations are correct to avoid delivery issues. All orders are shipped within 3 days after payment. Delivery usually takes 8–12 days, The specific delivery time is depend on circumstances. If you have any questions during your purchase, feel free to contact us. We will respond you within 24 hours.