General description The Mophorn Mechanical Keyless Entry Door Lock is a reliable and durable locking solution designed for easy installation and enhanced security. Constructed from robust zinc alloy, this lock is engineered to withstand harsh weather conditions, making it suitable for outdoor use in gardens, yards, and garages. Its fully mechanical design eliminates the need for batteries, ensuring hassle-free keyless access. Technical specifications Product Dimensions: 211 x 143 x 150 mm (8.3 x 5.6 x 5.9 in) Compatible Door Thickness: 35 - 65 mm (1.4 - 2.5 in) Protective Pad Size: 160 x 65 mm (6.2 x 2.5 in) Installation Spindle Lengths: 55 mm (2.1 in), 63 mm (2.4 in), 71 mm (2.7 in), 79 mm (3.1 in) Installation Screw Lengths: 40 mm (1.5 in), 50 mm (1.9 in) Hollow Stud Length: 40 mm (1.5 in) Material: Stainless Steel, Zinc Alloy Product Weight: 1.7 kg (3.8 lb) Installation The lock comes with a drilling guide sticker to simplify the installation process, ensuring precise measurements