Convenient for guests. After ordering, guests can rest in an empty seat without having to wait in line at the bar<br> 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<br> The pager is made of ABS engineering plastic material, quality, exquisite workmanship, sturdy, anti-fall, long service life, saving shop costs<br> 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<br> Widely used in commercial occasions such as restaurants, coffee shops, and milk tea shops<br> Specification:<br> Transmitter:<br> Input power: DC 9V/1A<br> Transmitting frequency: 433MHz<br> Transmitting power: +23dbm<br> Standby power consumption: Less than 600mW<br> Modulation mode: OOK<br> Number of charging handsets: 10<br> Number of compatible handsets: 998<br> Key mode: touch key<br> Receiver:<br> Working voltage: 3.7V 200mAh lithium battery<br> Receiving frequency: 433MHz<br> Standby current: Less than 12mA<br> Standby time: 20h<br> Receiving sensitivity: -108dbm<br> Transmission distance: 500m<br> Reminder mode: vibration, beep, flashing light<br> Reminder time: 1-999 seconds can be set<br> Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on<br> Voltage: AC100-240V<br> Color: As Shown<br> Material: ABS<br> There may be differences in the printed words, which not affect the use<br> Package Contents:<br> 1 x Transmitter<br> 10 x Receiver<br> Only the above package content, other products are not included.<br> 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.