Yes, all TireMinder Transmitters are IPX7 compliant. This means you can use your TireMinder to launch your boat in fresh or salt water without running into any issue with your transmitters. This IPX7 rating includes our external, internal and flow through transmitters.
IPX7 Definition: Product can be submerged up to 1 meter (3.3FT) of water for up to 30 minutes.