You need a simple two terminal on off switch. Power in from a constant fused source and power out to the lights. You can get one at any local parts store and some can light up when it s on so you won't forget to turn it off. Basic https://www.oreillyauto.com/detail/bwd-3...h/s7075/2611544

lighted Power in and out and ground for the light.
https://www.oreillyauto.com/detail/bwd-3.../urs541/2615210