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Meet the S4A-179 electronic lock from Spreest, perfect for office, employee, hotel, and gym lockers.
The device combines a modern design with access management functions, providing users with convenience, flexibility, and security.
Key features
1. Proximity RFID 125 kHz card operation: The device supports EM4100 125 kHz proximity cards that work from a distance of over 20 mm. You can assign up to 200 user cards, as well as one management card, which is used, among other things, for programming and emergency lock opening.
2. Two operating modes:
- Home mode – ideal for individual or office use. The lock is constantly closed and only opened by assigned users (passwords or cards).
- Public mode – excellent for rotating lockers (e.g., in a gym, changing room), where the lock is opened with a one-time code or card. After use, access automatically expires.
3. Option to choose the level of access verification
Depending on your needs, you can choose:
- Single-stage verification – access with a code only or a card only.
- Two-stage verification – for increased security, a password + card is required.
4. Masked password: The user can enter the correct password hidden in a string of random digits (e.g., 01234567890 instead of 123456), which prevents third parties from seeing the code.
5. Large system capacity
The lock can store:
- up to 200 user passwords
- up to 200 proximity cards
Each user can be assigned a unique identification number (001-200), which allows for managing permissions in larger organizations.
6. Reliable power supply and emergency access: It runs on 4 AA batteries, and when discharged, emergency power can be connected via a micro USB port. At voltage below 4.8 V, access is only possible with a management card.
7. Protection against attempted break-ins: After 7 incorrect code attempts, the keypad is automatically locked for 2 minutes, effectively protecting against unauthorized access.
8. Modern touch keypad: Backlit touch panel, providing comfortable and intuitive use even in dimly lit rooms. The flat surface makes cleaning easy and does not collect dust, making it ideal for public spaces.
Lock components
1. Front panel of the lock
2. Rear panel
3. Lock bolt
4. Battery compartment (4 AA batteries)
5. Micro USB charging port
6. Card reader
7. LED touch keypad
Technical specification
- Power supply: 4 AA alkaline batteries
- Low battery alarm voltage: 4.8 V
- Operating voltage range: 4.5–9 V
- Standby current consumption: 87 microamperes
- Operating current consumption: below 200 mA
- Unlock time: approximately 1.5 seconds
- Operating temperature range: -20 to 70°C
- Button type: capacitive (touch)
- Number of passwords that can be saved: 200
- Supported card types: 125 kHz card
- IC card memory capacity: 200 cards
- Unlocking methods: password, IC card
Kit includes
- 1x S4A-179 cabinet lock
- 1x Access card
- 1x Mounting accessories
- 1x User manual
User manual in Polish in electronic version is available in the attachment for download. You can find it below or above our product description.












