埋入式電子延遲熄燈開關
(WTRF5171W,WTRF51712W) 白
(WTRF5171H,WTRF51712H) 灰
埋入式電子延遲熄燈開關B
(單切)(0-約5分鐘,可調整型)
WTRF5171
3A 110V AC
WTRF51712
1A 220V AC