Automatic Drip Irrigation Emitter System Controller Battery-powered/USB-powered Programmable Watering Water Timer for Gardening Pot Plants Flowers (Battery Not Included)

Features:
Minimum single watering time can be set as 10 seconds; and the maximum watering time can be set as 99 minutes.
Automatic Operation: 4 set of water time is available. You can pick one or several point-in-time as you like. Makes growing flowers or plants more easier.
Outdoor Use is Available: IP44 water resistant level enables you to use it in outdoors. Able to withstands splashes or rainy days.
Two Types of Power Prevents From Power Failure: Running the device from 4pcs of AA batteries(not included) or USB charging cable. If USB power fails, the watering system will continue to run on AA batteries.
Digital Display: With easy-to-read text and dial, LCD backlit screen enables you to view it at night.
Easy to Install: Use 4/7 tube or tee connect with two drippers, then put the tube which connected with 'IN' into the water bucket, and connect another tube with 'OUT' of the drip irrigation system.
Note:
*Batteries are not included.
*When battery is first connected, it takes up to 1 minute for the battery indicator to access the battery strength.
*Remove and clean the screen washer on inlet side of the timer every few months.
*Remove battery if timer is not used for an extended time.
*In freezing condition, un-install the timer and bring it indoors to prevent damage.