4 Way Access Host Invisible Doorbell Doorphone Intercom Security System

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Host Specifications:

• Appearance of luxury, elegant and generous
• Transparent button, auto-luminous
• Auto-fill light feature infrared night to capture a clear image can be
• Extension can be achieved with indoor surveillance, call, intercom and lock function
• Can be realized password lock and unlock credit cards
• Wiring methods used bus system
• LED Display: 4
• Call Number: 4
• Talk Time: 120 seconds
• Operating Voltage: DC12V
• Current: Static 180mA, dynamic 230mA
• Working Humidity: <95%
• Operating Temperature: -25 ℃ ~ +55 ℃
• Audio Output Distortion Power: The main respiratory passage:> 75mw
• Response Channels: > 0.1W
• Frequency Response: 300Hz ~ 3.4kHz
• Installation: Embedded Installation
• Appearance Material: Deluxe stainless steel
• Bottom Shell Size: 111 x 380 x 37mm / 4.37 x 14.96 x 1.46in
• Size: 129 x 397 x 19mm / 5.08 x 15.63 x 0.75in

Extension Specifications:

• Classic style, simple operation
• ABS shell material surface
• Accurate and convenient one-touch operation
• Pleasant tone, electric control lock
• Ext own decoding
• Quick and easy construction
• Audio Output Distortion Power: 0.1W
• Operating Temperature: -25 ℃ ~ +55 ℃
• Environment Humidity: "95%
• Installation: Wall mount installation
• Size: 75 x 194 x 35mm/3.0 x 7.6 x 1.4in

Package Included:

• 1 x Doorbell Host
• 1 x Doorbell Extension

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