photosensitive resistor 1.Many series in our factory 2.Lower Price, Best Service 3.Quality ... .ROHS authorizes 7mm LDR 7mm data is below:Three big series: the epoxy shell, the metal shell, the glass shell, 3mm ... model photoresistance products, our factory mostly include all photoresistance product series, the annual output have reached more than 200,000,000pcs ...