– A wireless calling system for customers and patients, including 10 waterproof call buttons and 1 receiver screen, suitable for restaurants, hospitals, clinics, care homes, and home care providers. Long Range Signal: The paging system is highly interference-resistant and covers a signal range of up to 100m in open areas (walls, buildings, and other objects may reduce the operating distance, depending on the actual distance). Display Receiver: We can freely set the table number or bedside, to help us quickly find the customer or patient when needed. The wireless pager supports up to 999 call buttons, and it is easy to set buttons, delete buttons, adjust volume, and delete all numbers. Call Button: The wireless call buttons can be easily attached to the table or wall, and can also be placed in a pocket, so that the customer or patient can get help quickly and easily. The call button is waterproof and its standby time is 6–12 months. Plug and Play: All call buttons are pre-connected with the receiver before shipping, so you don't need to set them up again. Uses: The wireless calling system is widely used in multiple occasions, such as restaurants, nursing homes, cafes, supermarkets, hotels, hospital wards, emergency centers, banks, schools, factories, and construction sites.