Feature: 1. The mechanical code lock is completely mechanical,no battery or wired power is required. 2. Made of the highest quality zinc alloy, it is rust‑proof, durable and has a long service life. 3. The lock is waterproof, suitable for wooden doors, patio doors, courtyard doors, indoor and outdoor. 4. The lock has sturdy fixing bolt design, no noise, providing you a quiet experience. 5. Keyless entry design, you can enjoy the peace of mind and convenience of keyless entry. Specification: Condition: 100% Brand New Item Type: Mechanical Code Lock Material: Zinc Alloy Color: As Pictures Shown Product Size: Approx. 142 x 42 x 25mm / 5.6 x 1.7 x 1.0in Rear Handle Product Size: Approx. 107 x 43 x 20mm / 4.2 x 1.7 x 0.8in Rubber Seal Size: Approx. 115 x 50mm / 4.5 x 2in Aperture Size of Rubber Seal: Approx. 10mm / 0.4in The Distance Between the Aperture of the Rubber Seal and the Center Point of the Aperture: Approx. 95mm / 3.7in Lock Body Size 1: Approx. 91 x 58 x 27mm / 3.6 x 2.3 x 1in Lock Body Size 2: Approx. 60 x 13mm / 2.4 x 0.5in Password Length: Approx. 2-4 Digits Applicable Door Thickness: Approx. 10-60mm / 0.4 x 2.4in Applicable Environment: Waterproof and High Temperature Resistant Applicable Type: Indoor/outdoor Door Function: No Need for Battery or Wired Power. Package List: 1 x Panel1 x Lock Body1 x Door Buckle1 x Pad1 x Shaft3 x Fixing Screw6 x Screw1 x Tweezers2 x Code Sheet2 x Fixed Piece1 x Password Card1 x English Manual