The wireless queuing system includes a 10-channel keypad wireless call button base and 10 wireless pagers. The base has 10 output charger slots for transferring 10 different codes via the keyboard buttons. This queuing system greatly improves work efficiency and prevents the client from waiting in long queues. It is therefore widely used in fast food restaurants, food courts, pizzerias, churches and car shops or other places where many guests are waiting for service.Features:1. 3 reminder modes: vibration / buzzer / vibration + buzzer (each mode is accompanied by LED flashing).2. Keyboard: 10-channel calling keypad, directly press the corresponding number to directly send signals.3. 10 battery charging slots.4. Each pager has a built-in rechargeable lithium battery, low battery indicator, and charging indicator.5. Built-in external antenna, open area working distance of about 1000 meters (3280 feet).6. Button function: long press for 3 seconds to switch on and off; short press to reset to standby.7. Recording code SET: short press to enter the recording status; long press 5 seconds to clear the code.Specification:Plug type: US, UK, EU, AU (Optional)Weight: approx. 1185-1201gReceiver: Color: BlackWorking voltage: DC3.7V (rechargeable battery)Charging voltage: DC5VWorking frequency: 433.92MHZStandby current: 105mAWorking current: 7510mA (vibration)Receive sensitivity: -1072dBmBattery capacity: 200mAhDecoder: Learning Code (AM)Size: 49 * 101 * 11mm / 1.9 * 4.0 * 0.4in10-way Keyboard Host:Colour: BlackMaterial: ABSWorking voltage: DC5V/3A power adapterWorking frequency: 433.92MHzStandby current: 245mATransmit current: 10030mAEncoder: Learning Code (AM)Size: 130 * 190 * 33mm / 5.1 * 7.5 * 1.3inPackage list:1 * 10-channel Keypad10 * Receiver1 * Antenna1 * Power Adapter1 * English Manual.Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.