Digital Code Lock Door Lock Double Keypad Code Lock Combination Coded Button Lock Double Sided Back to Back Code Lock for Garden Gates Home Hotel Office Product Description Digital Door Lock, Double Keypad Combination Coded Button Lock Double Sided Back to Back , for Garden Gates Home Hotel Office Strong and Sturdy With a design that is more effective against violent destruction, you can rest easy knowing your door is protected. This Mechanical is tough and reliable, giving you peace of mind when it comes to home security Harden Casting Thanks to special cold rail processing and harden casting, this Mechanical is more than just a regular lock. It has been specially designed to withstand wear and tear, providing extra security for your door Premium Alloy Construction Crafted with a alloy lock shell, this Mechanical is built to last. The overall design is made of premium alloy, ensuring durability and longevity for years to come Specification: Features: Mechanical has good performance alloy lock shell,and the overall is made of premium alloy for durability Through the special cold rail processing completely, harden casting Chrome-plated surface, exquisite workmanship, durable More effective against violent destruction Specification: Panel material: zinc alloy Password length :4-7 bits Lock body material: steel plus zinc Apply thick door: 30 - 60 mm Color: silver Applicable type: indoor, outdoor door Features:, no battery power Center distance of locking tongue :60m Weight: 1439 g / 50.8 oz(approx.) Package list: 2 * lock body 1 * box 1 * installation accessories 2 * lock pad 1 * lock tongue 1 * instruction Note: 1.The password is not in order, the number can not be repeated. Please use the password card or change the password before use. Take the front panel and remove the back four screws. Take off the cover plate, Hold down the C key and take out the password chip with tweezers. Loosen the C key if it cannot be taken out.For non-password key, put the stainless copper password key into the slot that you want to set as the password, and bronze into the slot that does not set the password. 2.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. How to Use: Product standard screws for the door thickness of 30‑60mm, such as the installation of screws too long according to the door thickness of the screws can be cut short to normal installation.