The Gate Timer 12V 7-Day Timer is used to program time periods that your gate operator will open or close during the day. Capable of keeping your gate open for extended periods of time, saving excessive wear on your gate opener by eliminating the constant opening and closing of the gate. The 7 Day Timer can also lock out the use of any remote, keypad, or sensor that can operate your gate for security concerns during the evening. Gate Timer accepts up to 10 program settings. Low voltage DC Mighty Mule / GTO timer made to hook up to GTO / Mighty Mule operator battery without draining the battery. Easy installation instructions included.