The Kwikset Premis is 10 x 4 x 3.5 inches in size. Users can key in a numerical code to open the lock, or use an Apple iPhone.Using the iPhone, you can open the lock with the free Weiser Premis app, or by asking Siri to do it for you.There's also a set of physical keys in the package so you can lock and unlock the old fashioned way.The installation is made easier through interactive instructions inside the Premis app. All electronic communications are protected by Apple’s end-to-end encryption. is_confirmation;var mt = parseInt(jQuery('html').css('margin-top'), 10) + parseInt(jQuery('body').css('margin-top'), 10) + 100;if(is_form){jQuery('#gform_wrapper_38').html(form_content.html());if(form_content.hasClass('gform_validation_error')){jQuery('#gform_wrapper_38').addClass('gform_validation_error');} else {jQuery('#gform_wrapper_38').removeClass('gform_validation_error');}setTimeout( function() { /* delay the scroll by 50 milliseconds to fix a bug in chrome */ jQuery(document).scrollTop(jQuery('#gform_wrapper_38').offset().top - mt); }, 50 );if(window['gformInitDatepicker']) {gformInitDatepicker();}if(window['gformInitPriceFields']) {gformInitPriceFields();}var current_page = jQuery('#gform_source_page_number_38').val();gformInitSpinner( 38, '' );jQuery(document).trigger('gform_page_loaded', [38, current_page]);window['gf_submitting_38'] = false;}else if(!is_redirect){var confirmation_content = jQuery(this).contents().find('.GF_AJAX_POSTBACK').html();if(!confirmation_content){confirmation_content = contents;}setTimeout(function(){jQuery('#gform_wrapper_38').replaceWith(confirmation_content);jQuery(document).scrollTop(jQuery('#gf_38').offset().top - mt);jQuery(document).trigger('gform_confirmation_loaded', [38]);window['gf_submitting_38'] = false;}, 50);}else{jQuery('#gform_38').append(contents);if(window['gformRedirect']) {gformRedirect();}}jQuery(document).trigger('gform_post_render', [38, current_page]);} );} );. Premis: “Siri, lock/unlock [name of lock].”, What tools do I need to install this lock? Summary of Contents for Kwikset Premis. On top of that, the poor battery life and buggy app mean the product doesn’t always perform as highly as it’s capable. Fully integrated with the Apple Home ecosystem, the Kwikset Premise offers users home security with a range of wireless features. The site is partially  reader-supported. Compatible with Apple HomeKit for access using the smartphone app, Siri commands or a code.