Da-Lite Key Operated, 110 Volt SwitchSecure control for your projection setup with Da Lites flush mounted Key Operated Switch. This wall control is designed to be key activated for security, ensuring that only authorized personnel can power connected equipment. Built to perform reliably in commercial environments, the switch supports typical 115 volt service while designed around a 110 volt rated operation. The flush mounted design preserves a clean, professional look in classrooms,