No matter how far you are from home, you can take care of the plants at home. This product allows you to turn on irrigation at any time, so that the plants do not run out of water. It is a nice helper when you go out on business or forget to water. Features: Download the Smart Life APP to control the irrigation time through your smartphone. Can set irrigation begin time and end time. With a bt-gateway, you can control the irrigation controller no matter how far away you are from home. The white bt-gateway can control up to 128 irrigators, the black bt-gateway can control up to 20 irrigators, you can choose according to your needs. Irrigation controller waterproof, outdoor use is not afraid of rain and water. Invite family members to control the irrigation controller. The cycle timing can be set, such as starting watering at 8:00 every morning and stopping watering at 8:10 every morning. Record the begin time and end time of each irrigation. When the irrigation controller is low in battery, it will push a message to the smartphone for timely recharging. Specifications: BT-gateway color: white, black (optional) Irrigation controller inlet thread: 3/4in Irrigation controllerconnectthread: 1/2in Irrigation controller waterproof: IP67 Speed: 500-1700L/h Irrigation controller battery: 4 * AA battery (not included) Irrigation controller size: 160 * 102 * 44mm / 6.3 * 3.9 * 1.7in Package size: 200 * 150 * 70mm / 7.9 * 5.9 * 2.8in Package weight: 360g / 12.7ounce Packing List: 1 * Irrigation Controller 1 * BT-gateway 1 * USB Cable for BT-gateway