The Big Red switch twist offers a 5" activation surface with tactile and auditory feedback. Switch tops can be removed and replaced with the color of your choice (included): Red, Blue, Yellow, or Green. It's all up to your own style, tastes, or specific vision needs. Requires 5.5 ounces of pressure to activate switch. Has a standard 1/8" (3.5mm) plug for use with any of our switch adapted toys or devices.