watch walkie talkie walkie talkie walkie talkie systems CE,FCC,ROHS watch walkie talkie OverviewTA-509 is a ... , until the 2.4 inch TFT-LCD display "welcome" and sounds one "Di" tones, at the same time, the red light ... , until the 2.4 inch TFT-LCD display "welcome" and sounds one "Di tones, the red light turns green at the ...