Name: 7-inch high-definition color LCD four-wire video intercom Doorbell

 

Model: WJ728C8

类型：一对一<即1个室外主机配1个室内机，也叫一拖一>

Usage: It is suitable for luxury villas, commercial residences, and both the front and back doors of factories.

 

Function description

 

When the visitor gently presses the call button on the outdoor unit, the indoor unit will automatically open the image and ring the preset ringtone. Pressing the intercom button on the indoor unit will enable communication with the visitor. If the visitor needs to enter, press the unlock button and the electric lock will automatically open (this product does not include an electric lock), eliminating the need to run to the door to open it. If you want to view the outdoor scene, just press the monitor button. During the break time, please do not disturb. Press and hold the intercom key of the indoor unit for two seconds to activate this function. At this time, if there is a visitor, pressing the call key of the outdoor unit will only show an image and no bell will ring. Press any key of the indoor unit to exit this function.

 

【 Functional Features

◆ 7-inch color digital LCD screen, radiation-free and low power consumption, truly high-definition wide-screen display.

◆ Hands-free intercom function

◆ Electrically controlled unlocking function

Monitor outdoor functions

◆ Indoor intercom function

◆ Do Not Disturb function

The brightness, chromaticity and volume of the indoor unit image can be adjusted freely

The indoor unit features an ultra-thin design, with an acrylic panel and touch buttons, exuding an elegant and luxurious style

Up to 24 chord ringtones are available for selection, which are beautiful and pleasant to the ear.

The outdoor unit is exquisite and durable, with night vision and infrared functions.

The effective distance can be connected to a 200-meter connection line, and the image and intercom work normally.

◆ Color box packaging,10 units per box.

 

【 Performance Parameters

◆ Display resolution: 800*RGB*480

◆ Format: PAL system /NTSC system (optional)

◆ Power supply mode: Switching power supply AC220V-50Hz DC15V 1.2A

◆ Overall machine current: less than 800mA

◆通话延时时间：120S±10%

◆监视延时时间：40S±10%

◆ Camera sensor: High-definition color COMS up to 700 lines

◆ Infrared night vision function of the outdoor unit: Infrared is turned on at 10LUX low

◆室内机外形尺寸：(W)216×(H)138×(D)10mm

◆室外机外形尺寸：(W)50×(H)125×(D)35mm

◆ Installation method of indoor unit: Wall-mounted

◆ Outdoor unit installation method: Embedded or wall-mounted

◆ Connection wire: Standard 4-core connection wire with 1-meter + two-core terminal wire (connected to the electric control lock)

 

"Product List

◆ One indoor unit

◆ One outdoor unit

◆ One hanging plate for the indoor unit

◆ One 4P connection wire (standard configuration: 1 meter, optional)

◆ One unlocking wire

◆ One switching power supply

◆ Screw bag 1

◆ Instruction manual 1 copy (in English or Chinese)