Check the listing for details. On Off Key Switch Door Release Switches for Access Control DC 12V LED. Condition: New. Listed at 27.26 USD. Description:-This key switch is an emergency switch button with a special mechanical key for emergency situations.-Exit switches come in handy when one want to regulate the coming and going of people.-19mm key switch lock with 2 keys, nice smooth action and easy to mount.-Key is removable in both ON and OFF positions.-The indicator would change color when turning on or off the switch.-Anti-disassembly signal output.NOTE:NO-COM: Switch on, GREEN indicator on; Switch off, RED indicator onNC-COM: Switch on, RED indicator on; Switch off, GREEN indicator onSpecification:Panel Material: 304 Stainless SteelSwitch Rated Power: 4A 125V AC / 2A 250V ACIndicator Rated Voltage: DC 12VType: SPSTContacts Type: 1 NO, 1 NC, 1 COMPanel Size: 115 x 40mm / 4.53" x 1.57" (L*W)Mounting Cut Hole: 50 x 32mm / 1.97" x 1.