Question for the seller> What encryption algorithm is used? Internally, is the decryption key based on users pin, or a hard-coded unique value?

It is hard-coded and has nothing to do with the Master Code (PIN) selected by the user. For security reasons we never reveal which type of encryption we are using. But it is double folded and encryption of the data is not the only security we are using. In addition to this you must know the Master Code, otherwise all data will be erased when you enter a wrong Master Code three times in a row. Best regards PIN-Master.

Am i able to change battery? If so, what type of battery it uses?

Yes. You can change the battery. It is a standard CR2016. After you have changed the battery your codes are still available, and you do not need to re-type them.

Can special characters be stored? The information given in the description suggests they can but some of the reviews suggest they can't.

Yes most of special characters can be easily store too. Stig Madsen, Denmark :-)

What happens to your stored data when the CR2016 battery runs out of power?

Stored data will not be lost after change of battery. But for security reasons you must still be able to remember your own Master Code.

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PIN Code & Password Manager (Up to 125 Codes) - Basic Electronic Password Book - Low-tech & Safe Password Keeper - Electronic Pocket Password Notebook - Small & Smart Password Book

PIN Code & Password Manager (Up to 125 Codes) - Basic Electronic Password Book - Low-tech & Safe Password Keeper - Electronic Pocket Password Notebook - Small & Smart Password Book

Product ID: 271555898

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⏳5-year warranty durability

📏Credit card size, ultra slim

🔒125 codes stored securely

Description

🔐 Keep your secrets safe, stylish, and always at hand.

BUILT TO LAST - Sturdy construction backed by a 5-year warranty means your password backup is future-proof.
MASTER CODE CONTROL - One master code unlocks all your passwords; 3 wrong attempts erase data to prevent theft.
UNHACKABLE SECURITY - Encrypted storage ensures your passwords stay private and safe from digital threats.
LOW TECH RELIABILITY - No Wi-Fi or cloud needed—your passwords are safe from online breaches and hacking.
POCKET SIZED PRIVACY - Slim, credit card-sized design fits discreetly in your wallet for on-the-go peace of mind.

The PIN-Master PM-20 is a compact, low-tech electronic password manager that stores up to 125 codes securely with encrypted data protection. Its credit card-sized design fits easily in your wallet, offering a discreet and reliable backup for your passwords without relying on internet connectivity. Featuring a master code with automatic data wipe after three failed attempts, it ensures your information stays private. Built to last with a 5-year warranty, this lightweight device provides peace of mind for professionals who value security and simplicity.

Specifications

Manufacturer	PIN-Master
Brand	PIN-Master
Model Number	PM-20
Product Dimensions	0.3 x 8.56 x 5.41 cm; 30 g
Batteries	1 Lithium Metal batteries required. (included)
Colour	Black
Size	Credit Card size 3.370 inch (W) x 2.125 inch (H)
Manufacturer Part Number	PM-20
Item Weight	30 g

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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