Optimize Restaurant Communications: Improve service efficiency in your restaurant with our wireless waiter call system. This package includes 20 table call buttons and a central display receiver, ensuring prompt responses to customer needs<br> Fast and Reliable: Designed for fast-paced environments, our system ensures instant communication between guests and staff, reducing wait times and increasing customer satisfaction<br> Easy to Install and Operate: The system is user-friendly and ready to use right away with minimal setup. Its wireless design allows for flexible placement throughout the restaurant<br> Durable and Practical: Made from rugged materials, our call buttons withstand everyday restaurant use, ensuring long-term reliability and performance<br> Power supply: DC 12V 1A<br> Working frequency: 433.92MHZ<br> Operating current: Less than 130mA<br> Receiving sensitivity: ≥-110dBm<br> Plug Type:US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on.<br> Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on.<br> Plug Type:UK plug,it applies to Malaysia, the United Kingdom and so on.<br> voltage: AC100-240V<br> Colour:As shown<br> Material:plastic<br> Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use<br> <br> Package Contents:<br> 1 * Screen<br> 20 * button transmitters<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.