Features: 1. The mechanical code lock is fully mechanical, no batteries or wired power 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, indoors and outdoors. 4. The lock has a sturdy fixing bolt design, no noise, giving you a quiet experience. 5. Keyless entry design, you can enjoy the peace of mind and convenience of keyless entry. Specifications: Condition: 100 percent 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 Rubber Seal Opening Size: Approx. 10mm / 0.4in The distance from the opening of the rubber seal to the center point of the opening: approx. 95mm / 3.7in Lock Body Size 1: Approx. 91 x 58 x 27 mm / 3.6 x 2.3 x 1 inch Lock Body Size 2: Approx. 60 x 13mm / 2.4 x 0.5inch 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: interior/exterior door Function: no need battery or wired power Package list: 1 x panel 1 x body 1 x door buckle 1 x pad 1 x shaft 3 x fixing screw 6 x screw 1 x tweezers 2 x code sheet 2 x fixed part 1 x password card 1 x English manual