1、STABLE TRANSMISSION: Wireless calling system adopts advanced digital coding technology, can support up to 400 callers, stable and wireless, support long transmission distance 2、CLEAR DISPLAY: The restaurant wireless calling system has a large display screen with a visual distance of more than 50 meters, real time accurate display of call information 3、FLEXIBLE AND ADJUSTABLE: The queuing wireless calling system supports 30 levels of volume adjustment, which can adjust the volume size according to the needs of different places 4、WIDE APPLICATION: Pager system adopts fashion design, easy to move, widely used in various places such as hotels, restaurants, offices and so on 5、EFFICIENT SERVICE: The restaurant pager system has a novel appearance and supports personalized named call keys to facilitate the identification of needs and improve service efficiency Item Type: Wireless Calling System Display Receiver Parameter: Frequency: 433.92MHz Material: ABS Working Voltage: DC5V1A Working Current: <130mA Standby Current: <550MA Receiver Sensitivity: -105dBm Decoding: Learning code Water Proof Rating: IPX4 Working Temperature: -20℃-60℃ Press Key Transmitter Parameters: Working Frequency: 433.92MHz Battery Type: 2 x CR2032 batteries Single Battery Capacity: 225mAh Emission Current: 10mA ± 3mA Standby Current: <1uA Open Distance: >200 meters Press Key: 1 Million times Water Proof Rating: IPX4 Working Temperature: -20℃~55℃ Single Key: CALL 1 x Display Receiver 10 x Press Key Transmitter 10 x Film 1 x Adapter 1 x User Manual