1、‑40 ° C to +85 ° C temperature range, timing accuracy kept at ± 5ppm (± 0.432 sec / day) 2、The module itself can be adapted to 3.3 V and 5 V system 3、Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation 4、1 Hz and 32.768 kHz output 5、Accuracy of ±3℃ digital temperature sensor<div class="wang-edit-text"><span style="font-family:Arial;font-size:16px;"><strong>Features:</strong> </span> <span style="font-family:Arial;font-size:16px;">-40 ° C to +85 ° C temperature range, timing accuracy kept at ± 5ppm (± 0.432 sec / day)<span> </span></span> <span style="font-family:Arial;font-size:16px;">The module itself can be adapted to 3.3 V and 5 V system </span> <span><span style="font-family:Arial;font-size:16px;">Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing , provide valid until the year 2100 leap year compensation </span></span> <span><span style="font-family:Arial;font-size:16px;">1 Hz and 32.768 kHz output </span></span> <span><span style="font-family:Arial;font-size:16px;">RTC Clock Module has the characteristic of <span style="font-family:Arial;font-size:16px;">low power consumption </span></span></span> <span><span style="font-family:Arial;font-size:16px;">Accuracy of ±3<span style="font-family:Arial;font-size:16px;">℃<span style="font-family:Arial;font-size:16px;"> digital temperature sensor<span style="font-family:Arial;font-size:16px;"> </span></span></span></span></span><strong><span style="font-family:Arial;font-size:16px;"></span></strong> <strong><span style="font-family:Arial;font-size:16px;">Specifications:</span></strong><span style="font-family:Arial;font-size:16px;"> Temperature range: - 40~85℃ </span><span><span style="font-family:Arial;font-size:16px;">Weight: 2g </span></span><span> </span><span style="font-family:Arial;font-size:16px;"><strong>Package included:</strong> </span><span><span style="font-family:Arial;font-size:16px;">4 x <span style="font-family:Arial;font-size:16px;">&nbsp;RTC Clock Module( battery are included) </span></span></span><style> .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }</style></div>