Feature: 1. 1. Remote control: Connect your smartphone to the irrigation system via Bluetooth. Use App to control the irrigation system. 2. 2. Timed watering: Combine a pump and a watering timer in an automatic watering system to pump water from the container, which can save 70% of water compared with traditional spray and plant irrigation drippers. The water supply is about 400ml per minute. 3. 3. Two power sources: use 4*AA batteries (not including AA batteries) or USB connection power to run the indoor plant irrigation system. When the battery and USB power supply exist at the same time, the system will give priority to using the USB charger power supply. Use at the same time to prevent power failure. 4. 4. Memory function: You can follow your watering time range 0-999 seconds, interval time 0-999 hours, after setting the program, the system will automatically remember the programming function. The settings are automatically stored in the internal memory, saving time without resetting. 5. 5. Programming: Once programmed, the settings will be automatically stored in the internal memory. Even if the power is turned off, customized programming and settings will remain in the memory. There is no need to reprogram the timer every time the battery is changed. Specification: Material: plasticPower supply mode: 1. USB.2. Battery: AA*4 1.5VWorking temperature: 0-50℃Adapter: DC 5V 2A DC002 3.5/1.3 (line length 1.2 meters)Maximum water pressure: ≥30 pai(200kpa)Flow: 0.3-0.8LPMNoise: ≥65db (30cm distance)Head: ≥2.5mSuction range: ≥2mWIFI: 2.4GhzAPP: eWeLink. Package List: 1*Controller1*Power plug1*Instruction1*USB cable1*Screwdriver15/20*drip arrow (optional)15/20*Tee (optional)1*15m hose2*Filte