This system enables the kitchen to communicate to waiting staff when food is ready to enable them to deliver orders promptly. Use up to 12 pagers with each transmitter. The pager can have vibration, beep or vibe-beep alerts.TransmitterOperates up to 12 pagers, and has a simple one-touch operation. With a range test function you can be sure that your waiting staff will always be in touch with the kitchen.Size: H 275 x W 212mmPagerThis has a shock resistant casing and super strong vibration, perfect for busy environments, and can be set to vibration, bleep, or a combination of the twoSize: H 75 x D 56mm