Keyless Entry Door Locks with Keypads Deadbolt, Mechanical Combination Latch Door Lock with Handle, Waterproof Keyless Sliding Door Lock, Digital Code Gate Front Door Lock Set with Door Knob (Silver), 【100% Mechanical & Keyless】No need to charge and install batteries. Keyless entry door lock with handle can be easily opened with a password. Reject the programming error of the electronic door lock. With 100% mechanical construction, it is so difficult to pry open that provides you with a safer living environment., 【Applicable Doors】Work with both left and right handed doors due to adjustable unlocking direction. Keypad deadbolt locks are suitable for sliding doors(Not suitable for misaligned glass sliding doors), gates, wooden fence doors with 1-3/8"" to 2-4/8"" (35mm-63.5mm) thickness. If the accessories are too long, please cut according to the actual thickness of the door., 【Easy to Set Up & DIY Installation】Easy to set and change the codes. Combination can be 4-7 digits composed of numbers or alphabets except for the C key (no repeats), and be used in any order. 14 push bottons greatly improve the security of mechanical door locks. Granular buttons with good touch feeling, are easy to enter passwords. Please read the detailed instructions carefully and installation will be simple and fast., 【More Durable & Waterproof】This mechanical door lock is made of #304 stainless steel, and the enhanced anti-corrosion surface treatment performance is 5 to 15 times that of others. Work with excellent waterproof, sunproof, anti-rust and anti-theft performance. Keypad deadbolt is particularly hard and not easy to damage., 【Protect Beauty of Door】There is no need for large area drilling. The diameter of the installed holes is only about 10 mm. 2 ways to install the lock latch: Keeper and Striker (all are suitable for most doors and no need to embed the lock plate in the door., ,