Dimensions: 1.5W x 5H in.. Non-reversible fan control. Full-range dimming and light control. 3-speed fan control. Requires one 9-volt battery (included). Wired through standard light switch. Make controlling your ceiling fan as easy as pushing a button with the Savoy House RMT005 Hand Held Fan Control. This remote control features a full-range dimming light control option and is easy to set up for use with most ceiling fans. This remote allows for three speed settings of your fan and can be installed with no additional wiring necessary.