Make sure this fits by entering your model number. 🐠【2nd Generation Navigator Fish Feeder, Original Charging/Long Battery Life】：Innovative navigator series Navi-EVS, unique charging technology, no longer need to install batteries, more energy-saving and environmentally friendly, to help you save subsequent feeding costs. Can last 3-6 months after fully charged. LED lights will remind you of the battery power to prevent you from missing the charging time. It only takes 3 hours to fully charge and can be used while charging. 🐟【Upgraded 4 Feeding Times & 3 Rotations】: Compared with the original Navigator series fish feeder, the enhanced version Navi-EVS fish feeder can be set 1-4 feeding times per day and 1-3 rotations per time. According to your need, freely DIY the feeding times and rotations you want. Ultra-quiet during the feeding rotation, no longer disturb your rest, and stay away from noise.