Latches No need for installation skills, labor-saving, suitable for teenagers, women, the elderly and other people who want to install alone. It can be used in many kinds of doors and windows. ★It can be perfectly matched with your home decoration. ★Extra thick swing arm and solid locking base ensure sturdiness and can withstand pressure. ★It can be easily unlocked from the inside with just a wiggling action, while too strong to open from the outside. ★Unique locking design that holds the locking arms in place so they don't swing around for added security.