... transmitted from heartbeat brooch,chest band frequency is AM5.3KHz; Time display: Hour, Minute, Second;Alarm clock function;Give alarm when ... the upper and lower limit values (60~220).Timing (maximum time-keeping is 23 hours, 59mimutes, 59 seconds, 99)12/24 hour ... , N.W.:11.7KGWatch Material: ABS case, PU bandProduction lead time: 35 days1) Warranty: 12 months2) Payment Terms: Paypal, Western Union ...