1. Including waterproof structure and ring, you can put them in water 2. Close the case with 4 special screws, the tracker will never fall off from the case. Need a special screwdriver (included) to open, anti-theft. 3. Fully wrapped design, there are raised parts at the four corners of the shell, which can play the role of anti-drop. 4. Convenient to hang the device on your bag, key ring, keys, dog collar, backpack, luggage, school bag, etc. 5. Material: PC hard shell
