SECURITY AND PRIVACY - This portable door lock provides you with extra security and privacy, greatly improving your security and preventing unauthorized entry, so the door can't be opened from the outside, not even with a key; which is a great helper for you when you are on business and trips, or live alone. | EASY TO USE - Easy to install or remove, this door lock can be installed in seconds without any tools, even in emergency situations and in the dark. Just insert the metal piece into the slot of the door lock, close the door, and then put the red handle groove to the stud on the metal sheet, then no one can open the door from outside. | HIGH-QUALITY MATERIAL - The door security device is made of strong stainless steel. Rugged ABS plastic cover to prevent damage to doors under pressure. Steel surfaces with electroplating and polishing technology ensure a smooth touch and minimize any injury to your skin. A strong door lock with high quality may guarantee prolonged service life. | WIDELY USED - The security door stopper contains two holes of different sizes to ensure that all types of door locks are matched. Perfect for hotels, dormitories, apartments, short-term rentals, Airbnbs, bathrooms, bedrooms, or private rooms. It may also be applied to avoid pets going out, and also to prevent children from opening their doors to strangers. | COMPACT DESIGN AND TAILORED CUSTOMER SERVICE - Size 4.3 x 1.26 x 0.4 inches with 0.78inch (2 cm) and 1.2inch (3 cm) holes, lightweight and small, you can put it in a pocket or handbag. If you have any questions, please do not hesitate to contact us by email immediately.

Longer Operation and Rechargeable Power: The fan comes with high quality battery 3600mAh (included). Operation time upgraded is about 6-26 hours (Varies depending on the wind speed). It can be also used and recharged via USB port from computer, power bank, USB charger or other devices with USB output. | Strong Airflow and 180° Rotation: The fan with 3 settings of the air flow speed can be adjusted among low, medium, high according to your demands. The fan can be rotated in 180 degrees so you can place it in multiple wind angle. | Quietness: The fan boasts a quiet operation to keep you cool while making minimal noise so you can focus without any distractions. The minimum noise is close to 20dB, it keep quiet even on the highest fan speed. | Compact and Portable: Easily carried in bag when you go out or travel and Perfect for office, home, dorm, camping, library use, etc.