JOUNJIP Mechanical Deadbolt Lock - Keyless Entry Door Lock - Code NOT Required When Locking – 100% Mechanical with Flat Spindle, Thumb Turn Door Knob - Matte Black [Upgraded 2025]

Introducing the JOUNJIP Mechanical Deadbolt Lock, the upgraded 2025 version that brings convenience and security to your door. This innovative lock features a quick-code change system and the unique ability to lock without entering a code - simply close the door and you're secure. Factory-set for right-hinge doors but easily convertible for left-hinge installation, this versatile deadbolt offers maximum flexibility. The matte black finish adds a modern touch to any door while maintaining durability. The mechanical design eliminates the need for batteries, providing reliable, maintenance-free operation. The flat spindle design ensures smooth operation, and the included extension kit comes with various spindle sizes (87mm and 135mm) and necessary mounting hardware for different door thicknesses. Perfect for residential use, this lock combines practical functionality with robust security features. The thumb turn mechanism provides easy operation from the inside, while the keyless entry system offers convenient access from the outside. Backed by American tech support and a one-year warranty, this lock delivers peace of mind with every use.

• UPGRADED DESIGN: We Heard You - locks without code entry, making it more convenient than previous mechanical lock versions. You no longer need to enter the passcode when you lock the door.
• NEW Easy Quick Code Change - Change your passcode with a screwdriver. No need to disassemble the keypad. Ideal for rentals, offices, and frequent access changes
• No Batteries, No Wiring- This mechanical deadbolt is blackout-proof and unaffected by WiFi or Bluetooth attacks, providing lasting security for your home or business
• Durable, All-Weather Keyless Deadbolt- Built for front doors, gates, garages, and commercial spaces, this heavy-duty lock withstands extreme temperatures and daily use. (Not marine-grade)
• Fits Standard & Custom Doors- Installs on doors 1 3/8"–2 1/2" thick, with optional extension kits (purchase separately) for doors up to 4". Compatible with JOUNJIP Metal Gate Box GB2020