Compatible with a variety of jetskis and marine outboard motors, including FX140 models across all years. Safety feature - Emergency kill switch: The lanyard triggers immediate engine shutdown when pulled, enhancing on water safety and helping prevent accidents. Functional and comfortable design - Durable and comfortable: Made from soft nylon fiber and PU cord, the lanyard is skin-friendly and comfortable to wear, while withstanding rugged use. Waterproof and floating - Waterproof and buoyant: The lanyard is made from waterproof materials and floats on the water, making it easy to retrieve after a fall without compromising performance. Key benefits at a glance - Quick, reliable engine shutoff in emergencies - Broad compatibility with multiple jetskis and outboard motors - Comfortable to wear for extended periods - Waterproof construction that floats for easy recovery Use scenarios - Scenario 1: While riding a jetski, the rider falls off; the lanyard activates the kill switch to stop the engine instantly, increasing safety. - Scenario 2: After a fall or slip near open water, the lanyard floats and can be quickly retrieved, reducing downtime and hassle. - Scenario 3: At the dock or during maintenance, keep the key attached securely and protected by the durable, water-resistant design for reliable performance.