See Who’s There.
Smart video doorbells and intercom systems that let you see, speak, and unlock from anywhere — for homes, offices, and apartments.
Smart Features for Modern Entry

HD Video & Two-Way Audio
See and speak to visitors in crystal clear 1080p HD. Built-in microphone and speaker let you communicate naturally.

Smartphone App
Answer your door from anywhere in the world. The app sends push notifications and lets you see live video remotely.

Wireless or Wired
Choose between easy DIY Wi-Fi models or professional wired PoE systems for ultra‑reliable connectivity.

Remote Unlock
Grant access to guests, delivery agents, or service staff with a single tap — no need to be home.

Motion Detection
Smart PIR sensor alerts you when someone approaches, even if they don't press the bell.

Cloud Recording
Save snapshots and video logs of every visitor. Review missed events anytime via the app.

Night Vision
Infrared LEDs provide clear video even in complete darkness. 24/7 security for your front door.
Choose the Right Video Entry System
From DIY doorbells to professional intercoms – find what fits your entrance.
Wi‑Fi Video Doorbell
Easy DIY installation. Connects to your home Wi‑Fi. Perfect for apartments and homes without existing wiring.
- 1080p HD with night vision
- Two‑way audio & motion zones
- Free cloud trial included
- Battery or wired power
PoE Intercom System
Power over Ethernet (PoE) for rock‑solid reliability. No Wi‑Fi interference. Ideal for larger properties.
- Ultra‑low latency video
- Supports multiple door stations
- PoE switch integration
- Indoor touch screen monitor
Video Intercom Kit
Complete system with outdoor camera and indoor monitor. Works without internet (local only).
- 7‑inch indoor touch screen
- Supports up to 4 outdoor units
- Built‑in RFID for access
- No monthly fees
Smart Integration Model
Works with Alexa, Google Home, and smart locks. Voice announce who's at the door.
- Alexa/Google compatible
- Unlock via voice command
- Routine integration
- Facial recognition (AI)
24/7
Remote Access, Anywhere
Answer Your Door, Even When You're Miles Away
A missed delivery, an unexpected guest, or someone you'd rather not let in — your video door phone makes sure you're never caught off guard. The moment someone steps up to your entrance, you get a live video feed straight to your phone, no matter where you are in the world, whether that's at the office, on vacation, or just in another room of the house.
Speak to visitors in real time, grant access with a single tap for trusted guests and delivery staff, and keep a recorded history of every person who's approached your door. It's the kind of peace of mind that turns your front entrance from a blind spot into one of the most secure, well-monitored parts of your home.
- Live HD video the instant someone rings
- Two-way talk so you're never guessing who's there
- Remote unlock for guests and delivery staff
- Full visitor history, recorded and searchable
How It Works
From site visit to always‑on support – we make video entry effortless.
Site Survey
We inspect your entrance, check Wi-Fi signal or wiring options, and recommend the best placement for the doorbell.
Requirement Analysis
We discuss how many door stations you need, integration with existing locks/intercoms, and storage preferences.
System Design
We create a wiring plan (if wired) or network placement for wireless models, plus app setup and user accounts.
Installation
Our technicians mount the door station, run cables (if needed), and install the indoor monitor or app on your phone.
Testing & Training
We test video/audio, motion alerts, remote unlock, and cloud recording. We train you on all features.
Maintenance Support
1-year warranty on devices, lifetime support, and optional cloud storage plans. We're always a call away.
Common Questions
What our clients say about us
Trusted by 1,200+ happy customers across Tamil Nadu for gate automation, smart home, and more.
Karthik V
Trichy
"The team from One Key Automation was friendly, professional, and fast. They helped us with gate automation and video door phone. Highly recommend them!"
Karthik V
Trichy
"The team from One Key Automation was friendly, professional, and fast. They helped us with gate automation and video door phone. Highly recommend them!"
Deepa Shanmugam
Erode
"I got the complete home automation package for my new house in Erode. Everything works perfectly, and support is just a call away."
Suresh Babu
Coimbatore
"One Key Automation transformed our home into a smart home! The app is seamless, and the team was thoroughly professional throughout."
Never Miss a Visitor Again
Get a free site survey. We'll recommend the best video door phone for your entrance and give you an exact quote — zero obligation.