For Iphone4 input voltage/current:5-5.5v/500-1000mA output voltage/current:5v/500mA capacity:polymer Li-ion battery 750mAh For Iphone4input voltage/current:5-5.5v/500-1000mAoutput voltage/current:5v/500mAcapacity:polymer Li-ion battery 750mAhstandby time:up to 120 hoursTalk time:up to 2.5 hours on 3G up to 4 hours on 2Ginternet use:up to 2.5 hours on 3G up to 3.5 hours on WI-FIaudio play: up to ...
... the zone where to play the announcement, Keep pushing the talk button, the led turn on , the internal chime play,and ... an announcement(and therefore the line is already busy), the talk led start blinking.Activation message 3. After selecting the zones ...
Feature: 1) 100W police siren 2) Which widely used in police, ambulance, fire alarm and other special vehicle. Characteristic: Full function siren. State of the art. Includes everything shown.100 watts super loud !! 7 professional police tones (Police, horn, siren, wail, yelp, ambulance, alarm ). With interphone which can talk through with it for warning. Volume control. Police siren 100W
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