This is a Cole Hersee Toggle Switch part number M-54111-01. The independent illumination switches can be wired for dependent operation. The tip of handle is illuminated red in the On position, clear in the Off position. 

Specifications:

• SPST
• 25A st 12V DC
• Up position is on. Down position is off.
• Four blade terminals
• Silver contacts. 
• 15/32" - 32 thread mounting stem. 
• Nickel-plated brass hexnut. 
• Black plastic handle, housing and facenut. 
• Keyway in the down position. 
• Blade terminals. 
• 25A at 12V DC. 
• Plastic facenut can be replaced with black metal facenut 83252.
• Comes boxed