Material: Polyacetal, case material is plastic and double sealed, 2 AAA1.5v batteries required Product Features: With the following functions: Antifreeze & Waterproof case & Can be set up to 16 programs & Watering time countdown run & Automatic watering of plants, regular irrigation & Manual irrigation interval at least 1 minute Related parameters: Irrigation frequency is at least 1 time per day, up to 16 times, and once every 30 days at the longest & the minimum irrigation time is 1 minute, and the longest is 9 hours and 59 minutes Product function: LCD display, standard time, control irrigation conditions, with memory function, the program can be set to have single, multi-program cycle, single-day, multi-day, automatic and manual switching Delivery Quantity: 1pc Package Contents: Only the above package contents, excluding other products. Batteries are not provided. Size: 16.5*8.2cm (Reminder: The size is measured manually, please allow 1-2 cm measurement error) Color: green (Due to different monitors and lighting effects, the actual color of the item may be slightly different from the color shown on the picture.)