1. [18650 Rechargeable Battery] 18650 lithium battery has high energy density and long cycle life. It does not contain harmful substances such as mercury and cadmium. It is an environmentally friendly battery and supports recycling. 2. [APP Remote Control] The device can be watered all flowers auto at office or ,User can set the watering timer from App anywhere and anytime. 3. [Travel Assistant] When you go out for a few days, you automatically water the flower pot, which can be watered every day or at intervals of several days. You just need to operate it on the mobile APP. 4. [Set Watering Time] It is important to set the watering time, it should be based on your pot size and the daily water consumption of your plant. Please prepare some pot saucers to hold the pot. We believe that after many tests, you know how many seconds of watering and interval time is the . 5. [Save watering time] If you don't have time to of your plants every day, our machine is a good choice . You only need to change the bucket on weekends and adjust the watering amount according to the season. Power supply:DC 5V/2A, Type-C USB Built-in battery: 18650 rechargeable battery Standby current: 135uA Wireless standard: 80211b/g Wireless frequency: 2.4GHz Wireless distance: 45M Bluetooth version: Bluetooth 5.0 Waterproof grade: lP66 Operating temperature:14F- 140F Operating humidity:1%- 95%RH (non-condensing) Size:71mm(L)x 48mm(w) x 90mm(H) APP:Tuya Smart/Smart Life Color:White Material:ABS Package Contents: 1 set * Automatic watering device Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.