Wireless calling system to enhance service level in your restaurant, it helps the seated guest to call the waiter any time they need service. 1.Combination: wireless receiver + waterproof call buttons + repeater + pagers (optional) + pager moudle(optional) 2. Installation: install the buttons on each table, Install wireless receiver at the counter to attract waiter's attention 3. Function: when guests need any help,they can press the call button to call the waiter. The waiters could get the call from the display call number and sound, or from the wrist pagers. Features: 1. With high strength aluminum alloy shell,durable in use 2. Use digital code technology and the function is steady and reliable 3. With 4 high brighty LED screen,the visual distance will be 50 meter indoor 4. It can work with 99 routes transmitter MAX,all 1-key and 3-key button can work with Y-99P 5. It can show last 10 calls in rolling untill the call is cancelled. 6. It can indicate the service type 7. The volume is adjustable. Technical parameters: Working voltage: DC12V~18V Working current: