1. IPX4 waterproof protection protects your electronic device from splash of liquid from any angles for few minutes. For example, the device will not be damaged if you splash some coffee or tea on it.
2. IPX7 waterproof protection protects your electronic device from submersion of 1m deep water, for at least 30 minutes. For example, the device will not be damaged if you drop it into the washing sink. You can pick it up and dry it with a tissue. The electronic device is unharmed.
3. IPX4 and IPX7 waterproof protection is for accidental prevention, not for swimming. Even if you applied X2O water repellent spray, you cannot take photos with your device when diving or swimming.
4. IPX7 application is more advanced since you need to open the device and spray on PCB boards, battery, sim card, all electronic openings. Therefore, we recommend customers consult electronic professionals for IPX7 application.