When it comes to mounting small lights, cameras, and other such devices on smooth, non-porous surfaces, the Kupo Pump Suction Cup with 5/8-Inch Swivel Baby Receiver (6-Inch) is a practical accessory. Boats, automobiles, mirrors, and windows are some of the non-porous surfaces on which this suction cup can be mounted. This Kupo cup comes with a red-line indicator that warns you of any loss in vacuum during adverse shooting scenarios. Also, it can withstand temperatures between -12° C and 49° C, as it is made from high-quality rubber with silicone. This cup can take up to 20 kg of payload.