Simple Rules: 8 Modes help you tend your flowers, trees and vegetables daily every two, three, five or seven days Widely Used: This controller is suitable for 19mm pipes/taps. Compatible with garden sprinklers (up to 8 bar) or cisterns and water collectors (0.1 bar). Excellent Quality: Able to work under bad weather because it is waterproof and the batteries are hidden in it Working Principle: Ball Valve works with 2 AAA Alkaline 1.5V batteries Water Saving and Environmentally Friendly: This Timer can work with water and rain, it protects water resource(For English manual, please contact us, we will send PDF to you, thank you) you are on vacation. Features: Color: Blue. Working Water Pressure: 0-8 bar. Operating temperature: 5C - 60C. Supply Voltage: DC 3V, 2 AAA 1.5V alkaline batteries (not included). Max. 8 programs can be set. Manual function available. Lock function: Press ESC for 3 seconds to lock the watch. Watering time: 1 to 23 hours 59 minutes. Scope of delivery: 1 x irrigation computer. 1 user manual (English language not guaranteed).