,Wire material of this product is made of aa2.0MM PVC wire (low-temperature resistant material) ,lamp bulb house is constructed ,Wire material of this product is made of φ2.0MM PVC wire (low-temperature resistant material) ,lamp bulb house is constructed as milky white round ball,some abadhesive is fed into round ball , it has IP 65 waterproof class,high/low-temperature resistant,waterproof and ...