Waterproof Mechanical Password Lock Anti Theft Smart Combination Lock for Room Door Office Door

Feature: 1. With good anti theft performance, it is widely used in home gates, offices, parking lots, apartments, rental doors,etc. 2. Made of high quality zinc alloy material, strong, rust resistance, precise, safe and durable, long service life. 3. The password length is 1?11 digits, there is only one set of passwords, and the numbers are not repeatable. 4. Fully mechanical, absolutely no batteries or a power source required. No keyholes means this lock cannot be picked. 5. Sturdy fixing bolts design, no noise, to provide you with a quiet experience.With screw package and English manual, easy to install. Specification: Item Type: Mechanical Combination Lock Material: Zinc Alloy Color: As shown in the picture Password Panel Size: Approx. 142x42x40mm / 5.59x1.65x1.57in Rubber Seal Ring Size: Approx. 148x50mm / 5.83x1.97in Rubber Sealing Hole Diameter: Approx. 10mm / 0.4in The Distance Between the Rubber Sealing Hole Diameter and the Center Point of the Hole Diameter: Approx. 130mm / 5.1in Password Length: 1-11 digits Applicable Door Thickness: 30-60mm / 1.18-2.36in Working Temperature: -20+60 celsius Applicable Environment: Waterproof and high temperature resistant Applicable Type: Indoor/outdoor door Function: No need for battery or wired power Weight: Approx. 1224g / 43.2oz . Package List: 2 x Door Lock Panel2 x Rubber Pad1 x Lock Tongue1 x Door Holder1 x Stopper4 x Screw1 x Bolt1 x Square Bar3 x Long Screw1 x English Manual Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.