Product Description The Sylvan S201 Mechanical Digital Lock provides simple keyless code access without batteries or wiring. Suitable for residential entrance doors, garages, sheds and shared spaces, it features an internal snib button that can hold back the latch for temporary free access. Key Features Mechanical push-button code access Easy-to-programme design No batteries required Internal latch hold-back function Low to medium security level Satin Chrome Plate finish Technical Information Backset: 60mm Door Thickness: 35mm–55mm Application: Residential use Finish: Satin Chrome Plate Model: S201.S Important Note Door preparation must follow the supplied installation template. Not suitable for high-salt or sulphur environments. Sylvan does not publish an IP weather rating for this product, so installation on a sheltered door is recommended. Warranty Mechanical Warranty: 5 Years Finish Warranty: 3 Years Warranty is subject to correct installation, normal residential use and proper care.