... reversal polarity sign5.Have a LCD display call out number,call in number,time,billingmetering and etc.6.Caller id. With DTMF ... our account, some payments may take up to 7-10 days to clear *Western Union and bank Account are also acceptted ... UPS,DHL: 3- 5 working days.Via EMS: 5-7 working daysTracking Information - We provide tracking numbers whenever possible by email*SHIPPING ...