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 - Automatic locking 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.
• VERSATILE INSTALLATION: Factory-set for right-hinge doors but easily convertible for left-hinge doors, offering flexible mounting options
• No Key, 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 Construction: Designed for gates, garages, and commercial spaces, this heavy-duty lock resists extreme temperatures and withstands daily use. (Not suitable for marine-grade or saltwater environments)
• COMPLETE PACKAGE: Includes installation hardware with flat spindles (87mm and 135mm), M5 Stainless Steel Screws, and extension posts for various door thicknesses
• NEW Easy Quick Code Change - Change your passcode with a screwdriver. No need to disassemble the keypad. Ideal for short-term rentals, offices, and frequent access changes
• 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