Check the listing for details. Retekess T128 Restaurant Wireless Calling System 2 Waiter Watch 10 Call Button. Color: Black, Condition: New, Made in China. Listed at 139.99 USD. Features: Wireless Restaurant Pager Calling System support max 500 channel pagers call at the same time; support 3 group calls in the same display; 2 display modes; live view and queue view to track the call history up and down 3 Prompt modes; vibration+light; buzzer+light; light only; vibration mode is fit for coffee shop; customer cannot be disturbed Long Range;Restaurant pager system use RF wireless technology; The maximum distance can be 200m from pager to wrist receiver at open area Easy to use; wireless pager system adopts LCD display better view; with four keys for call; cancel;pay;order; Just press the button; table number and service type will display on the wrist watch Package Include: 2XWatch receiver 2XUSB cable 2XUser manual 10X Call Button.