wireless calling system

Wireless Pager Systems 433Mhz; LED screen / Capacity:1-9999 numbers / Unique ID system, Support magnetic stacking and charging / Customize LOGO

wireless pager system
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Wireless Coaster Pager

433Mhz; LED screen;                        
Capacity:1-9999 numbers;                     
Unique ID system,
Support magnetic stacking and charging; 
Customize LOGO