Keyless Entry Door Lock Deadbolt with Keypads 100 Waterproof Mechanical Front Combination Key Code Door Locks Digital Keypad Door Knob Deadbolt Lock for Door Electronic Free

100% Mechanical & Waterproof: This keypad deadbolt adopts 100% mechanical principle, battery free operation, more reassuring. Reject the terrible programming and random alarms. High-quality Material & More Durable: Made of stainless steel #304, enhanced anti-corrosion surface treatment, features 5-15 times higher than other material. Combination can be 3-4 digits(no repeat) and you can enter these numbers in any order to unlock it. No battery required. Easy to install. No need wiring. Easy to set up combination. Specifications: Colour: Silver Material: Stainless Steel+Zinc Alloy Applicable door thickness: 1.18 inch to 2.36 inch (30mm-65mm) Password length: 3-4 digits Center distance of the lock tongue: standard 2.36 inch(60mm) Panel: 10.8 x 4.4 x 4cm/ 4.25 x 1.73 x 1.57 inch(appr.) Applicable type: indoor, outside the door. NOTICE: The width of door lock panel is 1.69 inch (4.3cm), please make sure that the width of your original door lock hole is within 1.69 inch, otherwise it may not be applicable.