This wall switch has a voltage rating of 120/277V AC, and an operating temperature range of -40 Degrees F to 75 Degrees C. It has the following resistance properties: impact resistant, plus it measures 1.4 inch W x 1.5 inch H. This wall switch meets the standards for UL. It is white, and has 14 AWG minimum wire size to 10 AWG maximum wire size. This wall switch features: automatic self-grounding staple.