original design fish bowl, it automatic work, fashion and convenience to use. AQUA DESIGNGB- INSTRUCTION ... ’ set up lighting working hours. Then Press ‘SET’, Screen Shows‘ OFF’, Press Keys‘HOUR’and‘MINUTE’ set up ... hours per day)After above setting, press Key ‘SET’, Screen shows Local time, working program start function.(Note: Reset ... ‘MODE’ to turn on/off the lighting anytime . Automatic fish bowl