Idec surface mount indicators lh1d dome series idec lh1d d2hq4c30g the idec lh1d d2hq4c30g is a domed lens green spider light that is slim and stylish it has been designed for mounting on the surface of equipment or panels maintaining excellent visibility from the front and the sidethis lh1d spider light can be used in various applications that do not have space behind the panel this includes robotic arms product picking door monitoring and other applications where customers can use du