Enhance communication efficiency with this advanced Wireless Call System featuring RF wireless technology for reliable and flexible connectivity. Designed for versatile use in homes, restaurants, factories, and more, this system ensures seamless interaction through multiple prompt methods, including flashing lights, vibration, and buzzer alerts, catering to various user preferences and environments. Key Features: · RF Wireless Technology: Utilizes a 433.92MHz frequency with learning code decoding for easy pairing and stable signal transmission, allowing flexible combinations and intuitive operation. · Multiple Prompt Modes: Equipped with flashing, vibration, and buzzer alerts to ensure prompt notification, making it suitable for different noise levels and user needs. · Long-Lasting Rechargeable Battery: The watch receiver includes a built-in 300mAh Li battery offering extended standby time and reliable performance without frequent recharging. The transmitter uses two CR2032 batteries (240mAh) with ultra-low standby current for prolonged use. · Wide Operating Range: Provides an open distance of approximately 100 to 300 meters (328 to 984 feet), ideal for various indoor and outdoor settings. · Stylish and Durable Design: The receiver features a fashionable bracelet watch style with an IPX4 waterproof rating, protecting against splashes and sweat for use in diverse environments. · Robust Build and High Durability: The transmitter supports up to 1,000,000 keystrokes, ensuring long-term reliability and consistent performance. Specifications: Watch Receiver: · Working Frequency: 433.92MHz · Working Current: 100±20mA (Vibration + Buzzer Mode), 75±10mA (Vibration Mode) · Battery Type: Built-in Li Battery · Battery Capacity: 300mAh (included) · Standby Current: 10±5mA · Sensitivity: -107±2dBm · Decoding: Learning Code · Waterproof Level: IPX4 · Operating Temperature: -20℃ to 60℃ Key Transmitter: · Working Frequency: 433.92MHz · Battery Type: 2 x CR2032 Batteries · Battery Capacity: 240mAh (included) · Transmission Current: 10mA±3mA · Standby Current: <1uA · Open Distance: Approx. 100-300m (328.1-984.3ft) · Keystrokes: 1,000,000 Times · Waterproof Rating: IPX4 · Operating Temperature: -20℃ to 55℃ · Single Key: CALL Package Includes: · 1 x Wireless Call System This Wireless Call System combines advanced RF technology with durable, waterproof design and versatile alert options, delivering a reliable communication solution for diverse environments. Its stylish, ergonomic watch receiver and long-lasting battery life make it an essential tool for improving response times and operational efficiency.