Come with 4 RFID Cards Ultra Slim & Luxury Design Double Hook Mechanism Sliding Emergency Power Slot Palm Touch Panel Smart Pad Fake Number function Double Locking Mechanism Automatic and Manual Mode Durable Robust Body Structure Pin entry/RF Tag Access method Low Battery Alarm Fire Detection Alarm Electric Shock Neutralization Function Digital Door Lock Keyless Door Lock Electronic Keypad Brief English User's Manual will be provided. (jpg file) Ultra Slim & Luxury Design Double Hook Mechanism It's 10 times safer than in a normal dead bolt with a double hook method. Sliding Emergency Power Slot Maintain a clean design and it may be useful in an emergency. Palm Touch Panel Registration completed by touching with palm to disturb fingerprint residue. Smart Pad Fire Protection Feature Outdoor Body Indoor Body Basic Components