If there's any missing parts upon receipt, please apply for a replacement. We guarantee that if the switch remains undamaged due to human error within three years of purchase, you'll be eligible for a brand new replacement.Versatile Compatibility-12v on off Switch，requiring a hole size of 0.63''/16mm, this switch is versatile and compatible with a wide range of systems and devices, offering flexibility in usage.Enhanced Visibility - Featuring a black shell ring LED with a 12V voltage requirement, this switch offers enhanced visibility, making it easy to locate and operate even in low-light conditions.Premium Materials- With an electrical life of 200 thousand cycles and a mechanical life of 1,000,000 cycles, this switch ensures long-lasting performance, providing consistent functionality over an extended period.Durable Construction - Crafted from high-quality metal material and featuring IP65 waterproof protection, this switch guarantees durability and reliability, making it suitable for use in wet or dusty environments without compromising performance. It is ideal for a wide range of applications including Automotive, Boat building & Marine, Security, Door entry, Medical, Equipment Control, or any DIY projects requiring robust and reliable switches.Effortless Operation - This latching switch offers convenient ON/OFF control with a simple push-button mechanism—push once to activate (ON), and push again to deactivate (OFF), ensuring easy operation.