1, auto diale 4 alarm number
2, with 15 second voice record
3,NO,NC signal output
4, with keypad, and led display

Three alarm methods optional
(1) In microcomputuer design, automatic requirments and funtions of seeing ,listening ,recording and setting
(2) According to requirments of different hosts, select NC,NO or voltage input trigger sigal
(3) Save as many as 4 groups of phones or activity phone .Each group has 16digits and 2nd passwords at most
(4)Password funtion. Incase of trigger or other situation, you can enter password by directly press keys in electric board and WS stop SOS sigal
(5) Use with security fittings or independent sensors all over the world