Optimized Product Description Tired of Fumbling With Keys or Phones? Experience Instant Keyless Freedom! Imagine this: Your hands are full with groceries, rain pours down, and you're struggling to unlock your door. With our 10-Pack IC Cards, one simple tap grants instant entry—no keys, no apps, no codes. Designed for modern living, these RFID cards deliver seamless access for every family member, tenant, or guest. Why This 10-Pack Beats Single Cards (The Smart Choice!): ✔️ Share Freely, Control Fully Assign cards to babysitters, dog walkers, or elderly parents. No more hiding spare keys! If a card is lost, deactivate it instantly via your lock's app—far safer than rekeying traditional locks. ✔️ Future-Proof Durability Engineered with industrial-grade PVC and 13.56MHz RFID chips, each card survives: → 100,000+ harsh swipes (tested to MIL-STD-810G abrasion standards) → 10+ years of data retention (even in -4°F to 158°F extremes) → Daily abuse: Resists water, cracks, and bending forces up to 50 lbs. ✔️ Designed for Real Life Credit-Card Slim (50x31x2.5mm): Slides into wallets like a grocery loyalty card. Feather-Light (6g): Kids won't complain about carrying it. Keychain-Ready Hole: Clip it beside car keys—never left behind. Compatibility Made Simple Works flawlessly with: → Locks: TTLock, Tuya, Yale, Samsung Smart Door, and most 13.56MHz RFID deadbolts/fingerprint locks . → Users: Perfect for seniors unfamiliar with apps, children, rental properties, or Airbnb hosts. Setup in 3 Minutes (No Tech Skills Needed!): Open your smart lock's app (e.g., TTLock/Tuya). Tap "Add Card" → Hold card near lock until beep (≤2 seconds). Name card (e.g., "Mom's Card") → Done! Delete cards just as easily when needed. Your Purchase Protects You: 1-Year "No Hassle" Warranty: Defective card? We ship replacements free. Lifetime US-Based Support: Guides via email/chat (Mon-Fri 8AM-8PM EST).