American Hunter Econ Kit Feeder 1-30 Seconds AA. It has a metal spin plate built in varmint guard and a rail mount for any additional accessories. It also uses a solar panel accessory plug in and is AA batter operated. The EZ-Touch digital timer has 1-4 custom time setting 1-30 second run times and reverse polarity protection. Specifications for American Hunter 1-30 Seconds AA Econ Kit Feeders: Manufacturer: American Hunter Fabric/Material: Plastic Additional Features: 4 Battery Type: AA Digital: Yes Features of American Hunter AH-ECON-KIT Econ Kit Feeder 1-30 Seconds AA Compact and efficient design Twist Lock OR Flat Mounting Metal spin plate Varmint guard with optional shocking circuit Picatinny Rail for future accessories Solar Panel accessory plug-in AA Battery Power ?New Timer Design? 1-4 Custom Time Settings 1-30sec run time options Reverse Polarity Protection Package Contents: American Hunter AH-ECON-KIT Econ Kit Feeder 1-30 Seconds AA American Hunter Econ Kit Feeder 1-30 Seconds AA AH-ECON-KIT