| Type: | Emergency Alarm |
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| Signal Transmission: | Wired&Wireless |
| Working Mode: | Active |
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VTA8311A| Port | |
| Alarm Input | 2 |
| Alarm Output | 2 |
| Network Port | 2 × RJ-45 10/100 Mbps self-adaptive Ethernet port |
| Telephone Line | 1 × PSTN |
| SIM Card Slot | Yes (4G is optional) |
| RS-232 | 1 |
| RS-485 | 1 |
| Auxiliary Power Output | 1 × 12 V/1 A |
| SD Card Slot | 1 × Micro SD card slot (maximum 256 GB) |
| Video & Audio | |
| Video Compression | H.264/H.265 |
| Audio Input | Supports 1 audio input channel with a maximum pickup distance of 5.0 m (16.40 ft) Supports accessing an external pickup. |
| Audio Output | Supports 1 audio output channel with a maximum power of 30 W Supports accessing an active speaker. |
| Audio Compression | G.711a/G.711U/PCM/G.726/AAC |
| Volume Control | Yes |
| Two-way Audio | Yes |
| Field of View | D: 105° H: 88° V: 44° |
| Resolution | 704 × 480; 640 × 480; 1280 × 720; 1920 × 1080 |
| Frame Rate | 1-25 fps |
| Illumination Mode | IR illumination |
| Illumination Range | 30 m (98.43 ft) |
| Day/Night Switch | Yes |
| Function | |
| Indicator Light | 2 function indicators (alarm and alarm button) |
| Button | 1 × alarm button |
| External Accessories | Vertical pole |
| Phone Call | Yes |
| Video Linkage | Yes |
| Camera Video and Snapshot Linkage | Yes |
| OSD Overlay | Up to 5 lines can be added with 60 English letters in each line on webpage |
| Arm and Disarm | Arming/Disarming on webpage |
| Remote Update | Yes |
| Network Protocol | DHCP; UPNP; NTP |
| FTP Server | Yes |
| Tamper | 2-channel door detector tamper alarm |
| Logs | Stores up to 10,000 logs, including alarm events and operation logs |
| Search for Remote Alarm Event | Yes |
| General | |
| Language | English |
| Power Supply | 110-240 VAC |
| Power Consumption | Idling: 20 W (without speakers) Full load: 55 W |
| Operating Temperature | -30 °C to +65 °C (-22 °F to +149 °F) |
| Operating Humidity | 93% & +40 °C (+104 °F) |
| Product Dimensions | 2,410 mm × 340 mm × 330 mm (94.88" × 13.38" × 12.99") |
| Packaging Dimensions | 2,667 mm × 615 mm × 715 mm (105.00" × 24.21" × 28.15") |
| Net Weight | 95 kg (209.44 lb) |
| Gross Weight | 110 kg (242.51 lb) |
| Installation | footing cage mount |
| Casing Material | Galvanized plate |
| Protection | IPX5 |
PAIZE TECHNOLOGY LIMITED was founded in 2015, we have the professional sales and technical support team in Hangzhou. Since established, we are always focusing on the distribution of security products, and cooperate with the top3 manufacturer in security field. Our business covers many countries including Europe,
Africa,America, Asia, Australia, and so on.
The products we sell include DVRs, NVRs, IP cameras, HDCVI cameras, and so on. All the products we providing are original international versions and OEM orders are also welcome.
We will make great efforts to offer excellent pre-sales, sales, and after-sales service.
We adhere to the principle of "Customer Upmost, Service First" We are sincerely looking forward to your cooperation!
Q: How to confirm whether the product is Dahua's genuine English version?
A: You can download software from the official website of Dahua.Only Dahua's genuine product is compatible with the software. And we promise all of our products are Dahua genuine products.
Q: When will you ship my order?
A: For those in stock, we will ship orders within 1-5working days once we get a confirmation for payment
For those out of stock, delivery time is around one month
Q: Can l install the IP camera by myself?
A: Of course the camera is flexible and installed. And there is a user manual in the box.
Q: What's your payment method?
A: We accept T/TWesternUnion, MoneyGram, and Paypal
Q: Do you support drop shipping?
A: Yes, your drop shipping is available
Q: How about a warranty?
A: Three years warranty and you can contact us for any technical problems. Our technicians will support you in 24 hours.
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