Press pager(APE730), then the wireless wrist receiver(APE6600) will receive the signal of pager, and someone will come to provide service For customers to notify the waiters. Don"t know which to buy? Please contact us. Most of customers will receive the package in 7--14 days. Have you ever in a restaurant, in here you ready to take your order, but you can"t find in any place the waiter or waitress? The wireless attendant or server call paging system can solve your problem. Wireless fluid system is widely used in the service area. It includes the button for guests to use and the signal receiver for waiters to use. When the guest is in need, he or she just presses the button near him or her, his or her desk number will be displayed with music or vibration. APE6600: Specifications:55*45*15mm Us Frequency Range:433MHZ Sound Type:Music/Vibration Standby Time:30 days long With Pager Quantity:999PCS Receiver Sensitivity:-114dbm Power Supply:7batteries DC1.5V 600MA APE730: Call output: 20db UV/m Us Frequency Range: 433MHZ With Pager Quantity: 999PCS Frequency deviation: 0.5 Mhz Specifications: 60*60*8.5mm Call distance: 1500 M(open distance) Power Supply: Alkaline Battery 12V 33mA package include Wireless wrist receiver x 4 Transmitter x 20