Enhance your service efficiency with this advanced Wireless Calling System, designed for stable signal transmission and user-friendly operation. Crafted from durable ABS material, this system operates at a frequency of 433.92MHz and features IPX4 waterproof buttons, ensuring reliable performance even in challenging environments. With a wireless signal range of over 656.2 feet in open areas, this calling system guarantees long-distance communication with minimal interference, making it ideal for various professional settings. Key Features: · Stable Signal Transmission: Offers a highly anti-interference system with a wireless reception distance exceeding 656.2 feet (200 meters) in open spaces, ensuring clear and reliable communication across large areas. · IPX4 Waterproof Button Design: Equipped with sturdy ABS shell buttons that are water-resistant, durable, and paired with a highly sensitive receiver for effortless calling. · Functional Display Receiver: The SU-620 display receiver accurately shows date and time, allowing easy tracking and recording of call times to improve workflow and service efficiency. · Compact and Portable: Lightweight and ergonomically designed for easy installation on tables, walls, or carried in pockets, enabling quick and convenient calls from any location. · Easy Installation and Use: Wireless calling buttons can be easily mounted or carried, allowing customers, patients, or staff to request assistance promptly and conveniently. · Wide Application Range: Perfectly suited for restaurants, nursing homes, cafes, supermarkets, hotels, hospital wards, emergency centers, banks, schools, factories, and construction sites to enhance service quality and responsiveness. Specifications: · Item Type: Wireless Calling System · Material: ABS · Operating Frequency: 433.92MHz · Waterproof Level: IPX4 · Operating Temperature: -20°C to 60°C SU-620 Display Receiver: · Size: Approx. 210 x 140 x 30 mm (8.27 x 5.51 x 1.18 in) · Receiver Sensitivity: 105dB · Decoding: Learning Code Button Transmitter: · Battery Type: Lithium Battery (2 x CR2032 included) · Battery Capacity: 240mAh · Transmitting Current: 10mA ± 3mA · Standby Current: <1μA · Operating Distance: >200m / 656.2ft · Button Durability: Up to 1 million presses · Button Functions: CALL and CANCEL This Wireless Calling System combines robust construction, long-range communication, and practical features to deliver an efficient and reliable paging solution. Whether used in hospitality, healthcare, or industrial environments, it streamlines service requests and enhances operational productivity.