Aquarium Timer Switch Standard Intelligent Loop MultiSegment Timer (ZYT21 MultiSegment TimerWhite ) white.Feature: 1. Multiple plugs, common to and . 2. Wide range of uses, safe and energy?saving, suitable for regular charging of mobile phones, aquarium appliances, aquarium lighting and other household appliances. 3. High temperature resistant, non?deformable material, environmental protection and safety. 4. Four groups of mode cycles, just need to be set once, automatically cycle every day.