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联系人 Mr. Harry
2F, YanFa Building, Hongfa Hi-tech Park, Tangtou road, Shiyan Town, Shenzhen
1. it can work as door phone and interphone. 2. The melody will be heard from three indoor units when someone presses CALL button. 3. The outdoor unit can call and intercommunicate with the three units 4. When someone presses CALL button on the outdoor unit, the intercommunication among indoor units will be interrupted. 5. The talking voice is very clear witout noise. 6. Each indoor unit could work with other two indoor units. 7. Each indoor unit has electric-lock released function. 8. The lock is connected with the outdoor unit. 9. The outdoor unit meets IP*4 standard . ***** is available. *****-wire connection between indoor unit and outdoor unit. *2. The maximum working distance is around **0m.
