*4 Multiplexers may be stacked to accommodate up to 16 RS232 instruments when used with the D100S.
*Housing in terbland plastic(ASA and polycarbonate).
*Polyurethane clip on feet.
*Polycarbonate front plate and anodized aluminum back plate.
*Degree of IP protection ( according to IEC529) IP50
*Weight: 1 pound 1 ounce
*Working temp 5-40 degrees celsius. Storage temp -20 to +60 degrees celsius. 
*Dimensions: 12x11x3"