Stainless Steel ?Package?1x Door Stop Alarm,This is an upgrade door stop than others;1x Portable security door tools,The upgraded portable door lock has two locking holes of different sizes, which is suitable for more kind doors. ?Portable Door Lock?This portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry. In case of an emergency you could remove the lock in seconds in the dark!which is a great helper for you when you are on business and trips, or live alone. ?Door Stop Alarm?This is an upgrade door stop than others,Stainless steel pressure plate,non-slip bottom,3 Sensitivity Levels - Low - Medium - High,with 120DB siren, Once someone opens the door,the door stopper alarm will go off in the first place,they will scaring away bad guys and helps wake you and give you time to find help.Require one 9v battery (Not include) ?Easy to Install and Portable?Small enough to carry in pocket or handbag.Easy to install or remove, Our Security Door lock Kit can be installed in seconds without any tools. ?Use and Excellent Service?Add a portable door lock to provide effective safety and protection for Hotels, Apartments, Dormitories, Bathrooms, Bedrooms,but if you don't like it or encounter problems in use, we will reply you within 24 hours and negotiate a suitable plan for you. Product description HNHMT SECURITY DOOR LOCKS - ADD SIMPLE EFFECTIVE SAFETY FOR SINGLES! STEP 1 Open the door and insert the metal claws into the strike of the door. No need to nail or screw into anything, after the claw is in place, please close the door. STEP 2 Insert the moving rod into the butterfly hole and then jam it down. STEP 3 Now the portable lock is in place, to keep those unauthorized entries away. STEP 1 STEP 2 STEP 3 STEP 4