Latching Digital Door Lock Combining cutting edge technology and efficient digital security, the Yale Latching Digital Door Lock is a great way to upgrade existing entrance door locks. The Latching DDL has been specifically designed to be easy-to-install and comes packed with features including voice guide programming and keyless entry. The illuminated touchscreen pad allows for convenient night time entry, eliminating the need for outside lights. Other great features include the pin management allowing to program up to 25 user codes and the ability for one master pin. The lock is powered by 4x AA batteries and the low battery warning indicator will flash red when batteries are low. The lock also features a privacy function to keep all use codes out if necessary. To find out more about this Digital Door Lock, check out our handy videos below. To find your closest hardware retailer, see our Stockist Locator.