Features 1、[Completely Mechanical] The password lock is completely mechanical and does not require a battery or wired power supply, which can meet your various needs. 2、[Keyless Lock] You can enjoy the convenience of keyless entry, save the trouble of losing the key, you can use it with confidence. 3、[Durable Material] Made of high quality zinc alloy material, which is sturdy, durable and long service life. 4、[1‑11 Digits] Password door lock can be set with 1‑11 digits password, which is energy saving, safe and environmentally friendly. 5、[Widely Application] Widely used in gates, parking lots, apartments, cabinets, offices, storage areas or security access areas. Specifications Item Type: Password Door Lock Material: Zinc alloy Password Panel Size: Approx. 142 x 42 x 40 mm / 5.6 x 1.7 x 1.6 in Rubber Sealing Ring Size: Approx. 148 x 50 mm / 5.8 x 2 in Rubber Seal Aperture Size: Approx. 10mm / 0.4in Distance Between The Aperture of The Rubber Seal And The Center Point of The Aperture: Approx. 130mm / 5.1in Password Length: 1-11 digits Applicable Door Thickness: Approx. 30-60mm / 1.18-2.36in Applicable Type: Indoor and outdoor doors Features: Waterproof, no need for battery power, passwords do not need to be in order Weight: Approx. 1008g / 35.6oz Package List 2 x Door Lock Panel 2 x Rubber Pad 1 x Door Holder 1 x Stopper 4 x Screw 1 x Bolt 3 x Long Screw 1 x Square Bar 1 x Spring Bolt 1 x English Manual