Using your smartphone, it allows you to share access with friends, family or even contractors without jeopardising your security, all via the specially designed app. You have the option to give permanent access, restricted time access or even a 1 time entry code. Moulded outer casing and treated components to protect it from the elements. 1 piece in set. Black material: elastomer. Combination lock. Size H11, W18, D20cm. Weight 1.76kg. Batteries required: 1 x (included) . Manufacturers 2 year guarantee.