





ES-300D
✦ Entry Methods by PIN Number, Smart Card, and Remote Control(Optional)
✦ 3-Tier User Level Management through Admin Functions
- Product design, specifications, and package contents may vary slightly for quality improvement.
- A one-year warranty applies to door locks, while accessories are not covered under warranty.

Entry Methods
PIN Number
Guest PIN Number
Smart Card
Remote Control
(Option)
Specification
| PIN Number | 1 |
| Smart Card | 200 |
| Fingerprint (external) | X |
| Fingerprint (internal) | X |
| Guest PIN Number | 1 |
| Remote Control (Option) | Option |
| Face ID | X |
| Mechanical Key | X |
| APP | X |
| Outer body (W x H x D mm) | 74 x 180 x 26 |
| Inner body (W x H x D mm) | 156 x 98 x 46 |
| Material | Zn, Al, ABS |
| Applicable Door Thickness(mm) | 30 ~ 50mm |
| Backset(mm) | - |
| Operation Humidity | 20%~80% |
| Operation Temperature | 0℃ ~ 40℃ |
| Fire Detection Temperature | 60℃ ± 10℃ |
| Power Supply | DC 6V (LR6 1.5V AA, 4 EA) |
| Emergency Power(DC 9V DC 5V) | DC 9V(6LR61/6F22) |
| Battery life (10 times/1 day) | 10 months |
Life with EPIC
Intelligence Built for Your Ultimate Freedom.
From the precision of Face Recognition to the global command of the EPIC Things app, we provide more than just locks—we provide the freedom to focus on what truly matters.

Play Video

Forget fumbling for keys. With advanced BLE technology and 0.3-second face recognition, your door unlocks the moment you arrive—even with your hands full.
Administrator Functions
3-Tier User Levels
Three level administrator system allows you to manage the rights of people who use door locks
Super Administrator
General Administrator
User
Controls General Admin & User
Controls User (Without Super Admin)
Controlled by Admins
Full Permission Setting / Reset / BLE Pairing
Limited Permission & Reset Setting
Access within limits set by Admins

Best application for door lock management
EPIC Things (BLE) puts the power of total access control right in your pocket. Open, close, and monitor your door lock from across the globe with unmatched ease. No matter where life takes you, stay connected to your home. Experience the freedom of managing your digital door lock anytime, anywhere, through our intuitive mobile interface.
EASY, PRIDE, INTELLIGENT, CREDIBLE
The EPIC Standard: Security That Moves With You
Experience a smarter way of living where high-tech K-security meets vibrant, everyday freedom. Designed for those who demand both style and substance.
EASY
Effortless Access in Every Moment
PRIDE
Premium Aesthetics, Iconic Protection
INTELLIGENT
Intelligence That Outsmarts the Ordinary
CREDIBLE
Certified Trust for Absolute Peace of Mind
Frequently asked questions
Which product should I choose for my door?
Please check your installation conditions, such as door thickness and existing hole positions, and select a model that meets those specifications.
We recommend reviewing the detailed information provided on each product's description page first.
If you find it difficult to verify the installation conditions, please contact us through Contact Us with photos of the door and information about the installation environment.
Where can I find the installation instructions?
You can find installation guide, installation paper, and other resources under the "Installation" menu on our official website.
Additionally, step-by-step installation videos for each product are available on our YouTube channel.
How can I use the remote control or app functions if they are optional?
To use these optional features, you must purchase the corresponding modules separately:
For Remote Control: You need both a Remote Control Module and a Remote Control.
These can be found in the Accessories category under the Products menu.
For App Functionality: You need a BLE Module, also available in the Accessories category.
※ Compatibility varies by model. Please check the product detail page carefully to ensure the module is compatible with your specific door lock model before purchasing.
What can I do with the EPIC Things(BLE) app?
The app serves as your command center. You can lock or unlock your door via Bluetooth, manage family members, issue temporary passcodes for guests, and review a 24/7 access history. When paired with our Wi-Fi Bridge, you can control your lock and receive real-time alerts from anywhere in the world.
Is EPIC Systems a proven brand in the security industry?
Yes. EPIC Systems is a professional security manufacturer with over 30 years of industry experience. Headquartered in Ansan Science Valley, South Korea, the company exports to more than 70 countries worldwide and has built a strong reputation in smart lock and access control solutions.
What happens if the batteries run out when I am away?
For models with a C-Type port, connect a power cable to the terminal to supply emergency power, then enter your PIN to unlock the door.
For models with 9V emergency terminals, press a 9V alkaline battery against the contact points and enter your PIN while maintaining contact.
Once the door is open, please replace all AA alkaline batteries immediately.
※ Keep the 9V battery in contact until the door is fully unlocked.
※ The location of the emergency terminal may vary depending on the model.










