Feature:1. 1-11 digit combination key password setting. Double-sided password, passwords are required for both internal and external doors, with channel anti-lock function and indoor anti-lock function, any internal and external locks or knobs can be interchanged.2. Completely mechanized, no battery or wired power is required.3. Waterproof design, suitable for wooden doors, patio doors, courtyard doors, indoor and outdoor doors.4. Sturdy fixing design, no noise, provide you with a quiet using experience.5. Made of high‑quality zinc alloy material, anti‑rust, durable and has a long service life.Specification:Condition: 100% Brand NewItem Type: Double‑Sided Mechanical Password LockMaterial: Zinc AlloyWeight: Approx. 1830g / 64.6ozFront Handle Product Size: Approx. 142 x 42 x 25mm / 5.6 x 1.7 x 1inRear Handle Product Size: Approx. 142 x 42 x 25mm / 5.6 x 1.7 x 1inRubber Sealing Size: Approx. 150 x 50mm / 5.9 x 2inRubber Sealing Hole Size: Approx. 10mm / 0.4inThe Distance between The Rubber Sealing Hole Size and The Center Point of The Hole: Approx. 130mm / 5.1inKey Tounge Size 1: Approx. 81 x 60 x 57mm / 3.2 x 2.4 x 2.3inKey Tounge Size 2: Approx. 25 x 20 x 15mm / 1inPassword Length: 1-11 DigitsApplicable Door Thickness: Approx. 30-60mm / 1.2-2.4inApplicable Environment: Waterproof and High Temperature ResistanceApplicable Type: Indoor / Outdoor DoorFunction: No need battery or wired powerPackage List:2 x Panel2 x Rubber Pad2 x Key2 x Door Buckle1 x Key Tounge1 x Shaft1 x Support Pin4 x Screw2 x Fixing Screw1 x English InstructionsNote:1. Please allow 0‑2 cm error due to manual measurement. Thanks for your understanding.2. Monitors are not