Privacy policy

1. Data Controller

The controller of your personal data is NSTEL Sp. z o.o., with registered office at:
Plac Wroblewskiego 3a/5, 50‑413 Wrocław, Poland
Phone: +48 571 040 280

2. Information We Collect

2.1 Personal & Account Information

Name, email, phone number provided via contact or order forms.
Account credentials (username, password).

2.2 Device Data

Model, serial number, IP address, logs, and configurations.
Sensor readings from Sferio devices (voltage, temperature, current).

2.3 Website Visitor Data

Submitted via contact forms: name, phone, email.

3. Purpose of Data Processing

To deliver and improve our Sferio products and services.
To administer user accounts and system logs.
To send marketing communication (where legally allowed).
To analyze usage and improve website performance.
To respond to inquiries and support requests.
To comply with legal obligations and court orders.

4. How We Share Your Data

4.1 Personally Identifiable Information

With affiliates and service providers (under confidentiality agreements).
In case of mergers, acquisitions, or corporate transfers.
To comply with law or legal process.
To prevent fraud or protect rights.

4.2 Anonymous Data

We may share aggregated, non-identifiable data for analytics or improvements.

5. Cookies and Tracking

We use cookies and tracking technologies (e.g., IP address, browser type, visited pages) to enhance site performance and user experience.

6. Email Communication

With your consent, we may send product updates and offers. You can unsubscribe at any time using the opt-out link or by emailing privacy@nstel.pl.

7. Data Security

We take reasonable security measures but cannot guarantee absolute protection. In case of a breach, we will notify users and authorities as required.

8. Data Retention

We retain your data while your account is active or as needed for legal compliance.

9. Your Rights under GDPR

Access, update, or delete your data.
Restrict or object to processing.
Request data portability.
Withdraw consent at any time.

10. Children’s Privacy

Our services are not intended for children under 12. We delete any collected data if discovered.

11. International Data Transfers

Your data may be processed in Poland or the EU. If transferred internationally, legal safeguards apply.

12. Updates to This Policy

We may update this policy and notify users via email or website. Last updated: May 2025.

13. Contact Us

For questions or requests, email: privacy@nstel.pl