2015 New Pulse Heart Rate Counter Calories Monitor Sport Watch Men Women Watches Sphygmograph Pulsometer Pulse Wave Watch Wireless Heartbeat signal transmitted from chest band frequency at AM5.3KHz Time display:Hour， Minute， Second Alarm clock function Alarm sounded when haert rate exceeds thge upper and lower limit calues(60-220) Timing (maximun time-keeping is 23 hour， 59mimutes， 59seconds， 99) 12 24 hour display format EL backlight Keystrokr tone Total size:245*22mm Dial size:41*16mm Chest transmitter strap66-95cm(Elastic) Net weight:117g Package weight:137g Color:Black 1 x Watch 1 x English manual 1 x Chest transmitter strap Features: Specifications: Packing content: