Material: EPDM (Ethylen-Propylen-Dien-Kautschuk) Note technical data: Guarantee : 2 years Pressure from [kPA]: 10 Pressure to [kPA]: 270.3 Output Voltage. from [V]: 0.956 Output Voltage. up to [V]: 4.75 Supplementary Article/Info 2: without fastening clamp