The Mighty Mule 12-Volt battery is designed for Mighty Mule automatic gate openers. Only battery approved for the 400 500 and the slide gate opener series. Brand Name: Nice DBA Mighty Mule Sub Brand: Gate Openers Volts: 12 V Wireless: Yes Power Requirements: AC Powered Product Type: Battery Batteries Included: No Number in Package: 1 pk Hardware Included: Yes Gate Opening Style: Sliding Commercial or Residential: Commercial and Residential Material: Steel Batteries Required: Yes Output: 300 MHz Battery Capacity: 7 Ah