GX-F99Y

99 of wireless call server
Digital coding technology, Automatic coding.
Super heterodyne wireless receiver, easy installation ,1.5inch high brightness digital display, the line of sight distance can reach 10m indoor, can check ten group of call memory, three group of call scrolling display, can choose three sound of Chinese pronunciation ,music, and DING DONG! Have alarming output interface, can choose output time!

Working volt: DC12V (with power adapter, backup 8x AAA batteries)
Emission frequency: 315/433MHz
Alarming sound: 90 dB
Size: 20*12.5*4 cm 
Apply to the foot bath, teahouses, hotels, construction sites, guesthouse, Internet cafes and hospitals