Telephone Fax RJ-11 Lightning Surge Protection Device Protects your telephone & fax from the damage of lightning & surge. Compliant with GB 18802.12 & IEC61643-21 standard. Easy to install. Install near telephone or fax first, "IN" end is for input and "OUT" end is for output to the protected device, then set ground wire well and straight.
Connectors: RJ-11.
Material: copper.
Dimensions: 82mmx 25mmx 25mm. Supports audio signal devices with RJ-11 interface, like telephone and fax etc.
Note: Please install surge protector within 1 meter from the device protected. The closer, the Better!
Package content: 1X Brand New Telephone Fax RJ-11 Lightning Surge Protection Device.