1. The use of high-quality thermoplastic materials, with reasonable structural design to ensure superior strength and durability.

2. The light provides simple, intuitive feedback on the power supply and protection status. If the indicator (LED) shows a red light, it indicates that the GFCI socket has been correctly installed. After reset, the indicator (LED) shows that the green light indicates that the socket is working properly. At the end of the life of the GFCI socket, the red indicator light flashes to remind you to replace the socket in time.

3. This GFCI with USB interface, provides 5V/4.2A power supply, when the GFCI trip off the USB power off, while the USB interface has a grounding fault current trip protection function, using the 5V device is not sudden death by electric shock.

4. Protective Door (TR) : it can prevent the use of foreign objects to contact the electrical part of the socket, can protect children from the risk of electric shock.

5. Continuous ground fault protection is provided to detect actual ground fault and trip even when self-checking is performed.