LOCKD Calc – Multifunction Calculator
Complete set for a live stream get a hidden camera, portable router, and invisible wireless earpiece for two-way communication with zero delays. Stream your videos in real-time and have conversations without anyone noticing.
Free tracked shipping worldwide
14-day returns in the EU
Secure checkout
Study smarter. Win time. The LOCKD Calc is a full scientific calculator with a sharp 2.4" colour display and a built-in voice recorder. Record a lecture or explanation, play it back while you review, and keep your study material in one place. Less time searching through papers, more time for the things that matter to you.
Free tracked shipping. 3–7 business days in the Netherlands, 5–10 business days worldwide.
Check your school's rules on which calculators are allowed during exams. Always follow local laws when recording conversations.
Free tracked delivery, usually within 7–15 business days (10–25 for the rest of the world). Customers in the EU can return products within 14 days; in-ear products only with the hygiene seal intact.
LOCKD products are made for everyday, lawful use. Always respect other people's privacy and the rules of exams and competitions. Read our full Responsible Use policy.
Send us a message via our contact page and we'll gladly help you out.
I passed my exams with a 90% score thanks to this calculator you can do anything with it, this product is easily 5/5.
thanks to this calculator I passed my exams easily. this is a easy 5/5 starts for me.
The product is compact and discreet, with a camera and earpiece designed for hands-free communication. It’s an interesting piece of technology, especially for demonstrating how hidden devices work. The setup is innovative and easy to carry around.
The product is compact and discreet, with a camera and earpiece designed for hands-free communication. It’s an interesting piece of technology, especially for demonstrating how hidden devices work. The setup is innovative and easy to carry around.
Lockdnow offers a convenient and user-friendly experience. The service is easy to use, and the overall process is smooth and straightforward. Overall, a good experience that I would recommend to others.
Lockdnow offers a convenient and user-friendly experience. The service is easy to use, and the overall process is smooth and straightforward. Overall, a good experience that I would recommend to others.
