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Name: 7-inch high-definition color LCD four-line system visual intercom doorbell

Model: WJ728C8

Type: One-to-one <That is, one outdoor unit paired with one indoor unit; also known as one-to-one installation>

Purpose: Suitable for luxury villas, commercial residences, and can be used at both the front and back doors of factories.

Function Description:

The visitor presses the call button on the outdoor unit, causing the indoor unit to automatically display images and play the preset alarm sound. Pressing the intercom button on the indoor unit allows communication with the visitor. If the visitor needs to enter, pressing the lock button will activate the electronic lock (this product does not include the electronic lock), eliminating the need to go to the door to open it. If you want to view the outdoor scene, simply press the monitoring button. For silent mode during breaks, hold the intercom button on the indoor unit for two seconds to activate this feature. In this mode, if a visitor presses the call button on the outdoor unit, only images will be displayed and no alarm sound will be heard. You can exit this mode by pressing any button on the indoor unit.

【Functional Features】

◆7-inch color digital LCD screen, non-radiation and low power consumption, with true high-definition widescreen display.

◆ Hands-free intercom function

◆Electronic Control Locking Function

◆ Outdoor Monitoring Function

◆ Intercom function within the room

◆ Do Not Disturb Feature

◆ The image brightness, color fidelity, and volume of the indoor unit can be adjusted freely.

◆ The indoor unit features a ultra-thin design, acrylic panel, touch buttons, and a beautiful appearance that showcases luxury and elegance.

◆ Up to 24 chord ringtones are available, all beautiful and pleasant to listen to.

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

◆ The effective range supports a 200-meter connection cable; the imaging and intercom functions are working properly.

◆ Color box packaging, 10 units per box.

【Performance Parameters】

◆Display resolution: 800*RGB*480

◆Standard: PAL system / NTSC system (optional)

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

◆Total machine current: less than 800mA

◆ Call delay time: 120S ± 10%

◆ Monitoring delay time: 40S±10%

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

◆ Outdoor unit infrared night vision function: Low 10LUX activation with infrared on

◆ Indoor unit physical dimensions: (W) 216 × (H) 138 × (D) 10 mm

◆ Outdoor unit physical dimensions: (W) 50 × (H) 125 × (D) 35 mm

◆ Indoor unit installation method: Wall-mounted

◆ Outdoor unit installation methods: embedded or wall-mounted

◆Connection wire: Standard 4-core connection wire includes 1 meter + two-core terminal wire (for electrical control locks)

【Product List】

◆1 indoor unit

◆1 outdoor unit

◆ 1 indoor unit hanging plate

◆1 piece 4P connection cable (standard 1 meter, optional)

◆ One lock-picking wire

◆ 1 power supply switch

◆ Screw package, 1 bag

◆One instruction manual (English or Chinese)