Check the listing for details. Retekess TD157 Restaurant Pager System, 16 Buzzers, Touch Screen, NEW. Color: Black, Condition: New. Listed at 95.99 USD. New in original package as shown in photos. About this item: 7 prompt modes; vibration/beep/flash light modes can be combined according to customer needs and usage environment; you can use vibration only mode to call child in a church nursery; basic series food service pagers reminder time is adjustable from 1-999s Keyboard with multiple modes; mute/ beep/ vibrate; the table buzzers restaurant keyboard can be set to vibrate mode in quiet cafe; to provide a quieter environment for your customer; or set to mute mode when used in hospital Long working distance; Retekess TD175 food truck order beepers work distance up to 1000m/3280 ft in open areas; can keep customers waiting in the car Long time use of restaurant pagers long range; each guest waiting pagers has a built-in 200mAh lithium battery; standby for about 15 hours View history call records; the nursery pager system can view 10 call history records through the up and down keys on the keyboard; don’t worry about forgetting the customers called before