Max Battery 380mAH
Matched to work perfectly with the Koi Naturals Cartridge with a preheat option.
Battery Size: 380mAh
5 Clicks to turn on/off
3 Clicks to adjust voltage: Red 3.6v Blue 3.1v White 2.7v
2 Clicks to preheat hold for 15 seconds
Comes with a USB charging cable