Many offices, factories, and schools in Sri Lanka have moved from paper registers to biometric attendance, where staff clock in with a fingerprint or their face. Both methods work well, but they suit different workplaces. This guide compares them so you can choose the right one.
How each method works
- Fingerprint: the terminal scans the pattern on your finger and compares it with the stored record.
- Face recognition: the terminal captures an image of your face and compares it with the stored record. Most modern terminals work in a second or two and can tell a real face from a photo.
Both can be used for attendance (recording who arrived and when) and for door access (opening a door for approved people). Many terminals support both, plus cards and PIN codes.
Fingerprint: strengths and weaknesses
Strengths - Familiar, reliable, and widely used - Works well in controlled indoor settings - Usually the lower-priced option
Weaknesses - Dry, worn, dirty, or wet fingers can fail to read, which affects people who work with their hands - Needs touch, so the sensor is shared and needs cleaning - Can be slower at busy times, because people queue to touch the sensor
Face recognition: strengths and weaknesses
Strengths - Contactless and hygienic - Fast: staff can walk up and look at the terminal - Works for people whose fingerprints do not read well, such as factory workers - Good for busy entrances
Weaknesses - Usually costs more than a basic fingerprint terminal - Needs reasonable lighting, and outdoor terminals need weather protection - Changes such as a new beard, glasses, or a face mask can affect accuracy on some models
Which one suits your workplace?
| Workplace | Better fit |
|---|---|
| Office with controlled indoor entrance | Either; fingerprint is cost-friendly, face is fast and contactless |
| Factory or workshop with manual work | Face recognition, because fingers may be dry, dirty, or worn |
| Busy entrance with many staff at once | Face recognition, for speed |
| Server room or management area | Face or fingerprint combined with a card for extra security |
| School or clinic | Face recognition for hygiene, or cards for simplicity |
Things to check before you buy
- User capacity: how many faces or fingerprints the terminal can store
- Speed: how quickly it recognises a person
- Attendance software: reports, shifts, and export to your payroll process
- Door control: whether it can unlock a door as well as record attendance
- Backup methods: a card or PIN for when a face or finger fails
- Indoor or outdoor use, and weather protection
- Power backup: a UPS, so attendance and doors keep working during power cuts
Privacy and trust
Fingerprints and faces are personal data. Tell your staff what you collect and why, limit who can view the records, and keep the system secure. Using biometric attendance openly, and only for attendance and access, helps staff trust it.
Add CCTV for a complete picture
Access control and attendance tell you who entered and when. CCTV shows what happened. Together they give you a record of every entry that is both logged and recorded. Read our access control systems guide, and see how it fits into CCTV for offices and factories.
Frequently asked questions
Can face recognition be fooled by a photo?
Many modern terminals include liveness detection that helps tell a real face from a photo or a video. Check this feature when you choose a terminal.
What if an employee's fingerprint will not read?
Choose a terminal that also supports cards, PIN codes, or face recognition as a backup, so people are never locked out.
Can the terminal open the door as well as record attendance?
Many terminals can. They connect to an electric lock, so approved people open the door and the entry is recorded.
Get attendance and access control installed
We supply and install face recognition terminals and access control systems for single doors and entire buildings. Browse our access control products, see our CCTV and security installation service, or contact us.