Description Applications Wireless calling system can be used in restaurants, hotels, hospitals, tea house, coffee shops, health clubs, beauty salon, spa center, bars, swimming pool, beach, etc. Description: Dimension: 438mm x 158mm x40mm Show the calling number with ring tone Can be installed on the wall Working voltage: DC12V Working current: 660Ma Standby current: 120-130mA Working Frequency: 315MHz±75K Audio output: 2W Power: 12V1A adapter Sensitivity: 110dB
