RS490 control equivalent, remote control.
O U l t r a s o n i co r i n f r a - r e dt r a n s m i s s i o n O D i r e c td r i v ef o r u l t r a s o n i ct r a n s d u c e r O D i r e c td r i v eo f v i s i b l.
i n c l u d i n gs o u n d s y s t e m s ,l i g h t d i s p l a y s ,m a c h i n e c o n t r o l ,s e c u r i t yd e v i.
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