Enhance your service efficiency with this advanced Wireless Calling System featuring a clear LCD time display and versatile notification modes. Designed with cutting-edge wireless transmission technology, a digital dot matrix LCD screen, and a powerful microprocessor, this system offers reliable communication with a long transmission range of 100-150 meters indoors. Ideal for a variety of environments such as restaurants, bars, cafes, hospitals, hotels, offices, and factories, this set improves customer interaction with ease and professionalism. Key Features: · Clear LCD Time Display: Equipped with an easy-to-read dot matrix LCD screen that supports English menu operation for simple and intuitive use. · Multiple Notification Methods: The receiver alerts via vibration, buzzer, and flashing light, while also displaying calendar and call information for dual-function convenience. · Long Transmission Distance: Reliable wireless signal with an indoor range of 100 to 150 meters, ensuring stable communication across large areas. · Sleep Mode Function: Allows the receiver to enter a low-power sleep state when calls are not needed, while maintaining clock and alarm functions to conserve battery life. · Rechargeable Battery & Convenient Charging: Receiver uses a 3.7V polymer lithium battery with up to 15 days standby time; includes a wearable power cord for easy cycling charging. · Stylish and Durable Design: Caller features a waterproof, lightweight silicone button with a sleek, simple appearance that is comfortable to press and easy to relocate. · Stable and Secure Signal: Utilizes SAW device technology for stable transmission, world-class coding to prevent signal interference, and strong resistance to temperature and humidity changes. · Wide Compatibility & Capacity: Supports up to 500 call extensions with a call storage capacity of 20 groups, compatible with multiple series receivers for flexible expansion. Specifications: Receiver Model: CTW07 Caller Model: CTT31 (one-button) Material: ABS Plastic Color: White Receiver Size: Approx. 61 x 53 x 20 mm (2.4 x 2.1 x 0.8 inches) Caller Size: Approx. 60 x 55 x 21 mm (2.4 x 2.2 x 0.8 inches) Frequency: 433.92 MHz (Receiver), 433 MHz (Caller) Power Supply: 250mAh lithium battery (Receiver), 1 x 23A 12V battery (Caller) Standby Time: Up to 15 days Package Includes: · 1 x Wireless Receiver · 10 x Wireless Call Emitters · 1 x User Manual · 1 x USB Charging Cable · 1 x Hanging Rope This Wireless Calling System delivers reliable, convenient, and efficient communication, making it an essential tool for improving service responsiveness in diverse commercial and professional settings. Its combination of durable design, long battery life, and advanced wireless technology ensures smooth operation and enhanced user experience.