BSEED UK Standard Function Key Socket DIY Parts Black Plastic Materials For UK Wall Socket Insert FunctionProduct Introduction:
Working Voltage:110 V-250 V
Material: PC+Crystal Glass
Certifications:CE, BS, RoHS, GCC, FC
Relative Humidity:10% ~ 93%
Working Temperature: -30 ℃~+70℃
Wire:with ground wire
You have to cut off the power and during the installation.