An upgraded version of this 2-5 gallon water bottle pump come. The sense button upgrade becomes a mechanical button that can be locked, to make sure you can turn it off immediately. The latest inventory has improved batteries. Perfectly solved the problem of being unable to charge.This automatic pumping faucet has a built-in rechargeable 1200mAh lithium battery that can be used for a long time at full charge without charging every day.
