Weony (ShenZhen) Technology Co., Ltd.
LCD size: 55x69mm with digit height 20mm;
Product size: 129x100x68mm
Spec.
2x99 memory;
3 times average;
WHO indicator;
IHB indicator;
Year/month/date/time function;
Automatic power-off function;
Power by 4 AA size alkaline batteries or USB power supply;