Without battery 【Timer and countdown function】: Flexible time setting for schedules for automatic feeding. 【Adjustable power output】: You can adjust the output of the fish feeder according to the actual situation. 【Intelligent memory function】: When the network is turned off, it always distributes the power in accordance with the previous parameters. Are you still concerned about the problem of feeding your pretty fish when you leave the house or go on a trip? This intelligent fish feeder with application control function Can help you feed your beloved fish when working, go shopping or travel. You will find that your beautiful fish are still alive when you come home. Note: Please do not twist the hand-container. Installation tips: The mounting bracket is suitable for aquariums with a maximum width of ≤35 mm. Features: Color: black Material: Plastic USB cable length: 100cm Usage environment: 0 ~ 40 ° C, moisture