Essential for hassle-free living in every home and property. LOCK FEATURES 3 ENTRY MODES: Unlock with PIN code, key fob, and physical key. GRANT & CONTROL ACCESS: Program up to 100 users each with different access and management abilities for family members, employees, housekeepers, nannies, contractors, temporary guests, tenants, etc. Perfect for Airbnb hosts, time-share, vacation rentals, tenants, etc. ANTI-THEFT FUNCTION: The lock will stop operating for 5 minute after 3 incorrect entry attempts. RESET FUNCTION: The lock can be easily reset to factory settings to remove all users. ANTI-PEEKING FUNCTION: You can add a random series of code4 your real code to prevent others from memorizing your code. INCLUDED: 4 Key fobs, two of which are pre-programmed and ready to use, and two that are not programmed, however, can be programmed with your desired unique prefix. For programming help, please contact us with the information included in packaging. NOT INCLUDED: 4 AA Batteries for operation DOOR REQUIREMENTS Material: Wooden door (or any door can be drilled) Door thickness: 38-50mm This is a LATCHBOLT, NOT deadbolt. For all QUESTIONS regarding INSTALLATION, PROGRAMMING, TROUBLESHOOTING, ACCESSORY ORDERS (key fobs, 70mm latch, remote control, lock parts) PLEASE EMAIL US with the support email INCLUDED IN THE PACKAGING! WE ARE AVAILABLE 7 DAYS A WEEK 9AM-5PM PST FRIENDLY, KNOWLEDGABLE ENGLISH SPEAKING SUPPORT TEAM READY TO TACKLE YOUR QUESTIONS!*NOT WATERPROOF– NOT RECOMMENDED for outdoor use with DIRECT WATER EXPOSURE! This lock MUST have a roof or cover shielding it from DIRECT water exposure if used as an exterior door.