... RTOP-280/380/430/500, RTOP-800/1000Characteristics:1. Aluminum alloy frame, delicate appearance, user-friendly. 2. Automatic microcomputer ... experiment cycle, set time actual temperature and humidity (automatic humidifying anddehumidifying),set temperature, remaining time, actual temperature ... (LUX) Day period and night period, automatic 1-30 periods automatic.0-3000-5500can choose 3000LUX for seed ...