Wireless service call system consisting of a digital reception screen and multiple call buttons, suitable for restaurants, cafes, clinics, and hotels. The system operates with a single press on the "CALL" button to send an instant alert that appears on the screen with the table or location number, helping to improve service speed and organize work. Technical Specifications: Device Type: Wireless service call system Product Components: Main reception screen with 30 digits 10 call buttons designated for tables or rooms Button Function: One button (CALL) to request service Wireless Frequency: 433MHz Transmission Range: Up to approximately 150–250 meters (may vary according to environment and obstacles) Installation Method: The screen can be placed on a stand or mounted on the wall Usage Method: Instant alert appears on the screen with the button number upon pressing Manufacturing Materials: Durable ABS plastic Power Consumption: Low and operates efficiently Ease of Setup: Ready for use after initial connection and pairing Customer Benefits: 1. Improved Service Speed The system allows staff to know customers' requests immediately without needing to wander between tables. 2. Enhanced Operational Efficiency Helps to organize work and reduce wasted time, which positively impacts service quality. 3. Ease of Use Only one button (CALL) makes usage clear for all customers, including the elderly or children. 4. Clear Display Screen A large digital screen clearly shows the table number even from a distance. 5. Suitable for a Wide Range of Activities Restaurants, cafes, VIP lounges, clinics, offices, hotels… and more. 6. Reduces Noise and Clutter Relies on a silent and organized call instead of traditional vocal calling.