Now, use small lights, cameras, or any other related equipment on non-porous surfaces by mounting them on the Kupo Pump Suction Cup with 5/8-Inch Baby Pin (6-Inch). The baby pin and 3/8" thread bolt of the cup facilitate convenient setup on mirrors, automobiles, windows, and boats. The suction cup has a red-line indicator that warns of vacuum loss during intense shoots. Also, the cup supports a payload of 32 kg, and is made from a high-quality rubber material with silicone, which makes it usable in temperatures ranging from -12° C to 49° C.