Convenient for guests. After ordering, guests can rest in an empty seat without having to wait in line at the bar The transmission distance is extremely long, up to 500m. Guests can sit anywhere in the store or walk around waiting for 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: Transmitter: Input power: DC 9V/1A Transmitting frequency: 433MHz Transmitting 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 Transmission 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 Transmitter 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 +/- 1-3cm. Note: 1.Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2.Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 3394 hours Hope you have a pleasant shopping experience!