Simple and Flexible Programming: watering timer allow wider range of run time and interval. The watering duration ranges from 1s to 300min, and irrigation interval from 1h to 15 days. That can make you watering schedule fully customizable. All-in-one Large Screen: 3 extra-large HD screen make everything clear at a glance. Whats more? Much power could be saved as the screen will go sleep automatically if not operated after 30s. Special attention: Lithium batteries are prohibited.Two 1.5V alkaline batteries should be used.package not include battery Multi-Function: Manual mode allow instant watering use without interrupting your set irrigation program. Rain Delay mode will pause your program for an interval to avoid overwatering and unnecessary waste. Child Lock mode keep sprinkler timer safe from kids activities. Waterproof&Durable: IP65 waterproof, tested with 10kg water pressure. The top connector is made of reinforced nylon fiber material, which make it much more durable and solid then ABS or plastic. Intelligent Power System: Smart display remaining power to ensure you are aware of the available power. The powerful chip will detect low power supply and shut off hose timer before battery dead.