CV-DF201 Doorphone - CV-DF201

1.Used for almost PABX series,or connect to CO. line direct.
2.Programming.
3.Three groups call numbers (PABX extend number,or external
phone,e.g:mobile phone.)
4.electronic open lock function.
5.Pick up and open door via Remote
6.Automatic hold down
7.Don’t need external power.(but must supply 12V DV to the door lock,if u use the electronic open lock function.)
8.can be open the door via mobile phone at anywhere.