The Astrum NB220 Digital Laptop Security Lock is engineered for Nano 8×2.5mm slots found on the latest ultra‑thin laptops and tablets. Featuring a resettable 4‑digit code with 10,000 possible combinations, a 1.8m cut‑resistant steel cable, and a tamper‑resistant lockhead, it provides keyless digital security without compromising portability or aesthetics. Its slim, low‑profile design fits seamlessly with devices like Microsoft Surface, Lenovo Yoga, Dell XPS, and HP Spectre, ensuring ports remain unobstructed. Lightweight and travel‑ready, the NB220 is ideal for professionals, students, and travelers who need reliable protection in offices, co‑working spaces, or public environments. Key Features Nano 8×2.5mm compatibility – Perfect fit for Surface, Yoga, XPS, Spectre, and more Resettable 4‑digit code – 10,000 combinations for personalized security 1.8m steel‑reinforced cable – Flexible anchoring to desks or fixed objects Slim, non‑obstructive design – Maintains device aesthetics and usability Cut‑resistant construction – Steel core with PVC coating for durability Keyless digital security – No keys to lose, ideal for travel and public spaces Warranty: 24 months Technical Specifications Feature Specification Model / SKU A72522‑B Lock Type Digital combination (4‑digit) Connector Size 8 × 2.5mm (Nano slot standard) Cable Length 1.8m Cable Material Steel‑reinforced with PVC coating Compatibility Surface, Yoga, XPS, Spectre, Nano‑slot devices Security Tamper‑resistant lockhead Net Weight ~130g Gross Shipping Weight ~250–300g (with packaging) Warranty 24 months What’s in the Box 1× Astrum NB220 Digital Laptop Lock 1× User Manual (with reset instructions)