Designed for personal use in low light backstage areas, the Roadie Lights package is comprised of a Carabiner LED and a Keychain LED. Perfect for DJs, roadies, stagehands, sound technicians, and musicians, the Roadie Lights are durable and handy when you need them! *Handy lights with highly efficient LEDs, visible as far as one mile away *Snap link attachment (and detachment) for quick and easy use *Constant-on switch for hands-free and continual use when needed *Solid construction using hard-to-break polycarbonate *LED and lithium batteries never need replacing *Good for attaching to your keychain, backpack, or belt loop