1.FSK &DTMF two systems compatible
2.Auto recording 50 groups of incoming calls and have functions for inquiry,callback.
3.Auto recording 16 groups of outgoing calls and have functions for inquiry,callback.
4.half-speaker function
5.LCD brightness adjustable.
6.Anti-shock and anti-interference.
7.Re-dial and setting functions.
8.Hang wall function.
9.Adopt micro-electronics technology