This ignition key switch lock features a 4-wire configuration and is compatible with Linhai LH 250, 260, 300, and 400 ATVs and UTVs with engine displacements from 250cc to 400cc.It is a replacement 30110 and integrates into the vehicle's existing electrical system without modification.Constructed with plastic and metal components, the switch has an IP67 waterproof rating, making it suitable for use in wet and dusty environments.It is compatible with 4-stroke liquid-cooled models and provides stable ignition performance under off-road conditions.The unit supports starting and secure locking functionality.