Commodity material: ABS/plasticProduct size: 15.2*7*10.6CMPower supply mode: 2 AA batteriesTurn on and turn off: Long press the "on key" for 3 seconds to turn on and offManual feeding: press it to feed in real time, if it is pressed in the settings, it is "save the current settings and exit"Time setting: long press the "setting key" for 3 seconds, the hour digits flash, press / to adjust the hour, and then press the "setting key" to adjust the minuteFeeding time: After adjusting the time, continue to press the "set button". At this time, the first box below starts to flash. Refer to the "time setting" to adjust the feeding time, and then press the "set button". The box will display "" for food The number of rotations of the box, no number means no rotation. Continue to press the "set button" to set the feeding time and the number of feeding laps four times in sequenceLong press "" for 5 seconds as the default feeding setting: 1 feeding at 8 am and 1 feeding at 8 pmLong press "" for 5 seconds to delete all feeding settings Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Dadangjia