Provides an advanced wireless system for customer service organization, including a charging base and digital displays for easy calling and vibration/lighting. It features a long range of up to 500-800 meters, and batteries lasting up to 36-72 hours, which reduces waiting times and prevents chaos. Key Specifications of Pager Systems (20 pieces): Components: Charging base and touch keyboard (999 channels) + 20 customer pagers. Alerts: Vibration, LED light, and sound (customizable). Range: Up to 500 meters in open areas, and 100 meters indoors (penetrates barriers). Battery: Lasts up to 36 hours of actual work or 72 hours in standby mode. Usage: Waterproof and suitable for restaurants, cafes, clinics, and food trucks.