Rayovac 12-Volt Sportsman Battery with Screw Terminals, General Purpose (926) The compare mode which supports

The compare mode which supports 25 sets of High/Low limits

Power supply: 3V type CR2032 battery (not included)

widely available and easy to use Estes standard model rocket engines power this kit

5V FIXED OUTPUT

Rayovac 12-Volt Sportsman Battery with Screw Terminals, General Purpose (926) The compare mode which supportsFor all 12 volt 2 post applications Screw Terminals Built to exceed performance demands of industrial applications Built for performance. This long lasting battery powers lanterns and other high drain, frequent use devices. Its guaranteed against leakage, and its mercury and cadmium free so it meets EPA requirements for convenient landfill disposal.