Dual Detection Technology: This RV alarm is designed to detect both carbon monoxide and propane gases simultaneously with separate sensors, ensuring rapid response and high accuracy. The probes enhance safety by providing early warnings, allowing you to take preventive actions swiftly. User-Friendly Installation: Featuring lever nut connectors, this detector can be installed without the need for complex wiring or tape. It powers up and calibrates in just three minutes, making it ideal for those installing such a device for the first time. Its panel design facilitates easy replacement of existing units. Real-Time Digital Display: Equipped with a clear digital screen, this RV gas detector displays gas concentrations in real-time and alerts you with a loud alarm if carbon monoxide levels exceed 150 PPM or propane levels reach 5 LEL%, ensuring you have sufficient time to react and safeguard your family. Different batches may have slightly different printed words and slight color differences in the actual product Color: black Material: plastic Package Contents: 1 x Propane Detector 1 x Bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.