safety light / safety light

Want to change the bulb when the bulb is broken , it will encounter a security
risk. When the bulb is broken , the light is not bright , this time as If the direct
holding bulb enchant , may be because light does not forget to turn off the
switch , causing leakage when changing light bulbs Risk of electric shock .
When found , but also a place to go switch off switch is also a hassle. This safety
valve is easy to solve this problem , by the physical principles , the metal conductive ,
non-conductive plastic Characteristics, a set on two different materials . Marked with
red plastic part , when people see red when Representative with po