Feature:1. WIRELESS TECHNOLOGY: The desktop bell button is stable, reliable, and suitable for various locations with a long wireless range.2. STYLISH DESIGN: The desktop bell button and receiver feature a fashionable and innovative design, appealing appearance, and convenient portability.3. DATE AND TIME DISPLAY: The restaurant hotel paging system shows the date and time accurately for easy reference and memory.4. SUPPORTS UP TO 400 PAGERS: Ideal for large scale usage requirements, this system can support a high volume of paging devices.5. ADVANCED MICROPROCESSOR CHIP: The paging system is widely used in restaurants, hotels, offices, and other establishments, thanks to its advanced microprocessor technology.Specification:Item Type: Hotel Pager SystemMaterial: ABS Frequency: 433.92MHzReceiver Size: Approx. 210 x 140 x 30mm / 8.27 x 5.51 x 1.18inReceiver Sensitivity: -105dBDecoding: Learning CodeWaterproof Level: IPX4Operating Temperature: -20 to 60Voltage: 100-240VMode SU 1K Button Transmitter Parameter Description:Frequency: 433.92MHzTransmitter Material: ABSTransmitter Battery Type: Alkaline BatteryTransmitter Battery Model: 12V23ATransmitter Battery Capacity: 60mAh(built in)Transmission Current: 10mA3mAStandby Current: <1uATransmission Distance: >Approx. 200m / 656ftButton: 1 million timesWaterproof Level: IPX4Operating Temperature: -20 to 60Single Key: CALL.Package List:20 x Table Ring Buttons20 x Stickers1 x Power Adapter1 x Receiver1 x Manual