This wireless pager system provides a reliable and efficient calling solution for various business environments. Utilizing stable 433.92MHz wireless technology with strong anti-interference capabilities, it ensures clear communication over distances of more than 200 meters (656 feet). The system is ideal for hotels, restaurants, cafes, offices, and other service-oriented settings. The central display receiver features a modern design, showing the time, date, and incoming call alerts. Both the display receiver and the 30 compact call buttons are rated IPX4 waterproof, making them durable for daily use. The call buttons are designed for long life, with a key lifespan of up to 1 million presses, and can be easily mounted or carried. **Specifications:** * **Item Type:** Wireless Calling System * **Material:** ABS Plastic * **Power:** EU Plug Adapter (100-240V) **Display Receiver:** * Working Frequency: 433.92MHz * Size: Approx. 210 x 140 x 30mm / 8.3 x 5.5 x 1.2in * Receiving Sensitivity: 105dB * Decoding: Learning Code * Waterproof Rating: IPX4 * Working Temperature: -20°C to 60°C **Call Button (Transmitter):** * Working Frequency: 433.92MHz * Battery: 2 x CR2032 Lithium Battery (included) * Transmitting Current: 10mA * Standby Current: < 1uA * Open Distance: > 200m / 656ft * Key Life: 1 Million Presses * Waterproof Rating: IPX4 * Working Temperature: -20°C to 60°C **Package Includes:** * 30 x Wireless Call Buttons (Transmitters) * 30 x Mounting Stickers * 1 x Display Receiver * 1 x Power Adapter Cable * 1 x User Manual