433mhz wireless waiter calling system restaurant pager 1 screen receiver + 10 call transmitters

long distance signal transmission: wireless calling system is highly anti-interference and signal range covers around 500ft in open area(no obstacle). waterproof button design: wireless calling buttons adapts high strength abs shell and waterproof silicone, durable in use. long standby time, up to 6-12 months. when the guest needs any service, he or she just press the button near him or her, his or her desk number will showing on the watch receiver with alert music or sound. plug and play: call buttons have been paired with display receiver before send, no need any internet access, the customers just need to press the button to call bells. fully practical functional: wireless pager system most support 999pcs wireless call button. easy to configure button, delete button or delete all number, adjust volume and service type..syi