““The description: this timer Simple features, easy installation and programming. There is no need for tools. Just set the start time, duration and frequency of watering. The large, easy to read LCD screen makes programming easy. No more dead plants or soggy lawns because you forgot to water them. Characteristics: The longest period can be set to once every 30 days, the watering time can be precise to 1 minutes, up to 9 hours 59 minutes. Large LCD screen with low battery indicator shows irrigation status and standard time / day. Switch to keep the programming and allow flexible manual watering. Match valve: 1/2 "” or 3/4 "” outside the wire, satisfies different needs. Power supply by 2 * 1.5V alkaline battery, no wiring necessary. Characteristics: Green color Power by: 2 * 1.5V alkaline battery (not included) Match tap: 1/2 "" or 3/4 "" outside the wire. working water pressure: 0.1Mpa-0.6Mpa Operating temperature: 0-60? Flow rate: 600-800L / H Material: ABS Package Size: 12.5 * 12 *