Idec surface mount indicators lh1d flat series idec lh1d h2hq4c30rg the idec lh1d h2hq4c30rg is a flat lens redgreen two colour spider light from the lh1d series this surface mount indicator is slim and stylish and is easily mounted with two screws directly onto the surface of control panels switch cabinets or machine parts maintaining excellent visibility from the front and the side this redgreen two colour alternate illumination gives customers a 2 for 1 optionthe lh1d spider light c