Product Descriptions !
- Audio Door phone and Both side operated door lock , complete security system
- Unlock your door from the phone unit conveniently. No need to go till the door!
- so easy to operate in case power failure and open from outside
- Ringer Volume Adjustment , white color , AC operated Door phone Suitable for small office , Hospital , Villa , apartments . Clear voice and louder ringer volume Outer Unit Dimension 30 mm depth x 110 mm length x 90 mm Width
- Contact technical support in case face trouble in installation
