Lasts about 30 minutes of non-stop use

the diameter of the lens is 8mm so that you can reach it easily

Power supply (V): 5V

Safe for kids to play and harmless to eyes

Serratura portatile DECO Lasts about 30 minutes ofPortable lock Extra security More privacy Wide application Easy to use Feel safe even when you're on the go with this portable lock Portable lock With the portable door lock, you can feel super safe at home or when traveling. There is nothing better than relaxing and feeling completely safe. You can easily put it between the door and the lock. It's lightweight and easy to take with you wherever you go. Extra security Do you have old doors and locks?