【Customize Feeding Size & Time】We offer 18 monthes warranty for it, if it has any problem we will replace or refund. Amzdeal automatic cat feeder provide flexible amount from 1 to 39 portions per meal, 12g (about 1/5 cup) for 1 portion. Allows to give up to 4 meals a day at anytime. You can set the food amount and meal time by the control panel. 【Disassemble Design, Easy to Clean】 The cat food dispenser can be disassembled in to 4 parts. Lid, food tank, food bowl and LCD panel. Lid, food tank and food bowl are washable, so it is easy for you to clean. The LCD is not washable, if you want clean it, use a cloth to wipe it. Never wash the panel please. 【Sound Record】 Built in Voice Recorder and Speaker, this cat feeder can record your voice for 12 seconds to call pets for meals, so he/ she won`t miss the meal when they are sleeping or playing. 【Battery and USB Powered】Amzdeal pet feeder can be powered by battery or USB charge. 3 pieces D batteries ( not included) is needed if you want power it by battery. It is recommend to use both battery and USB charge in case any of the two cut off letting your cats or dogs hungry. 【 Infrared Detection Design】 Design with infrared detection to detect the food outlet, so that if the food in the bowl is enough, the dog feeder will not dispense much more food to prevent overeat.