... 1.Big LCD screen display ,Can display the date ,time ,alarm zone , alarm type and other informations. 2. Keyboard operation ,e 1. ... Big LCD screen display ,Can display the date ,time ,alarm zone , alarm type and other informations.2. Keyboard operation ,easy and ... prompt function .12)Wire detector support open circuit alarm and short-circuit alarm .13)Wire detector malfunction has prompt function .14 ...