Fitness Heart Rate Belt ANT Heart Rate Monitor with Chest Strap

Heart Rate Chest Belt-- Textile type chest-belt
-RF Frequency :2.457 GHz
-RF Channel :57
-Channel Type :0x10
-Transmission Type :0x10
-Device Type :120 (0x78)
-Device Number :1- 65535*65535
-Message Period :8070 (~4.06Hz)
-RF Power :-5 dB
-Modulation Type :GFSK
-Transmission Distance :2 meter
-Battery Type :CR2032 * 1
-Operating Voltage :2.2V -3.6V
-Operating Temperature :0℃-50℃
-Storage Temperature :-10℃-60℃
-Standby Current Consumption :10 uA
-Operating Current Consumption :400 uA (Average Current Consumption)
-Battery Life :9 months (operating 1 hour per day)
-Signal Detect :ECG signal