MF1 Marine RF Remote Control Kit Floating FOB 100' RangeFor CMV1, CMD9, CMD8, CMD7, CMD6, CMS5, CMS1, M303, M309, M502 and all Clarion Source Units with OEM Steering Wheel Remote Inputs.Features:Waterproof RF Floating Remote ControlUp to 100-feet Range, No Line of Sight RequiredHandheld DesignSecure Clip for DockingInternal Sealed Replaceable BatteryMeets or Exceeds ASTM B117 (Salt/Fog Exposure)Meets or Exceeds ASTM D4329 (UV Exposure)IP67 (International Protection Rating)