Convenient compatible with guests. After ordering, guests can rest in an empty seat without having to wait in line at the bar The mission distance is extremely long, up to 500m. Guests can sit anywhere in the store or walk around waiting compatible with the pager to remind them to pick up their meals The pager is made of ABS engineering plastic material, quality, exquisite workmanship, sturdy, anti-fall, long service life, saving shop costs Due to the use of wireless queuing system, using wireless radio frequency technology, millions of learning codes. The system includes a 998-channel call keyboard and a portable buzzer. The call board has 10 battery charging slots. Each receiver can be and marked with a number Widely used in commercial occasions such as restaurants, coffee shops, and milk tea shops Specification: mitter: Input power: DC 9V/1A mitting frequency: 433MHz mitting power: +23dbm Standby power consumption: Less than 600mW Modulation mode: OOK Number of charging handsets: 10 Number of compatible handsets: 998 Key mode: touch key Receiver: Working voltage: 3.7V 200mAh lithium battery Receiving frequency: 433MHz Standby current: Less than 12mA Standby time: 20h Receiving sensitivity: -108dbm mission distance: 500m Reminder mode: vibration, beep, flashing light Reminder time: 1-999 seconds can be set Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Voltage: AC100-240V Color: As Shown Material: ABS There may be differences in the printed words, which not affect the use Package Contents: 1 x mitter 10 x Receiver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is + Note: Please allow 1-3 mm error/1-41g weight error and actual product color may vary due to lighting conditions.