Check the listing for details. Storage Battery Systems H2-SENSOR-50FT Add'l Sensor, SBS-H2, 50FT Cbl. Condition: New. Listed at 515.00 USD. Subscribe to Our NewsletterStorage Battery System H2-SENSOR-50FT Additional Hydrogen Sensor with 50 ft. cable for SBS-H2 Brand:Storage Battery SystemsModel No:H2-SENSOR-50FTOur Model No:H2SENSOR50FT Product OverviewFeaturesAdditional or replacement hydrogen gas sensorMounted on 50FT cableFor use with Model SBS-H2Description The Storage Battery Systems H2-SENSOR-50FT is a Hydrogen (H2) Sensor with a 50 ft cable. When paired with the SBS-H2, the SBS H2SENSOR50FT is calibrated to "Alarm" at 2% hydrogen in the air, and "Warn" at 1% hydrogen in the air.Included Components1 - Sensor1 - 50FT CableTerms & ConditionsPlease note estimated delivery time above. Contact us for details or if you have a delivery requirement. We ask for your patience while striving to ensure your shipment arrives quickly and accurately.Domestic ShippingFREE Standard Shipping on items OVER $75 and less than 30lbs to continental U.S. Add $36 for AK, HI, or PR. Please contact us for shipping rates to any overseas US territories including: Northern Mariana Islands, Guam, Puerto Rico, U.S. Virgin Islands and American Samoa.PO Boxes/APOs require USPS shipping and may therefore experience longer lead times6.25% Sales Tax for shipping to MAInternational ShippingDue to international voltage requirements, please ask us prior to purchasing to confirm your product will operate correctly in your country.Please contact us for shipping rates to any overseas U.S. territories.International customers are responsible for all shipping charges, including any duties or taxes.