The front panel is installed without screw locking for easy installation. Dual relay output for easy control of door openers or alarm components. Press the remote control relay output through the keyboard while talking to the visitor.The device produces high quality audio calls up to 2 numbers. If the person answering the call wishes to allow access, they simply release the on-board relay by pressing the button on the handset. This system provides two-way voice, Caller ID access control allows a known number to call the device. When the call arrives, it is immediately discarded, and if the number is known, the door or door is released. It is suitable for mobile phones, and up to 200 users can operate the gate in this way. The battery can be reconnected internally (not included) for operation and alarms during a power outage, and the battery will automatically fail when the normal power supply is working again. It also alerts if the battery is low. Material: Stainless Steel GSM Frequency: 850/900/1800/1900MHz. Power input: AC / DC.
1 x USB Data Cable. 1 x USB Program Adapter.Our listing price includes the value of goods, packaging cost, and export. Please check with your country's. We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. Post a message again because sometimes our message system may block some emails. If you are satisfied with our service, pls. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. The item "GSM Audio Voice Intercom Single Door for Entry Access Control System Waterproof" is in sale since Saturday, November 28, 2020. This item is in the category "Home & Garden\Building Materials & DIY\Doors & Door Hardware\Doorbells". The seller is "gobestdeal88" and is located in Shenzhen.
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