Wireless calling system for customer queue management. Customers no longer need to wait in line for their order or to be served. The function is simple: the customer pays for their order and receives a wireless module with a unique digital code. When the order is ready for pickup, the customer is called by pressing the number assigned to their module. The customer module emits a light signal and vibrates. At this point, the customer knows their order is ready for pickup. The customer collects the order and returns the module. Specifications Automatic system of wireless modules for orderly queue management. Base that allows 20 modules to be charged simultaneously. Base that allows up to 999 modules to be programmed and called. Modules emit a light signal and vibrate when receiving the call from the base. Operating Frequency: 433.92 MHz. Ideal for managing queues in an orderly manner, avoiding conflicts between customers. Various applications in hospitals, restaurants, hotels, repair centers, etc. Includes 1 Receiver Module (Customer) Module coded from 000 to 999. To program the module, simply press the PAIR key and enter the code into the charging base. MODE key to configure operating modes related to vibration, buzzer, and LEDs. Features an LED warning light and a charging LED for the internal battery. Reset button and ON/OFF switch. Standby Consumption: Approx. 10 mA. Active Consumption: Approx. 75 mA. 360 mAh internal rechargeable battery. Size: 49 x 101 x 11 mm.