Description: The intelligent control panel, choosing automatic feed your at a scheduled time (once or twice per day)12h/24h to meet the daily feeding requirements.Feeds all kinds of food, including flakes, pellets and strips. Suitable for home tanks and aquariums. Suitable for most of pet fishes, turtles, newts and frogs feeding.Safe and convenient, both manual and automatic are suitable.Rotating can increase or decrease the amount of food dispensed per rotation. Easily control the amount of food dispensed by yourself.Back with adjustment knob, it can be adjusted according to the thickness of your tank, it can clamp 2.5mm thick glass tanks. Specification: Material: Plastic.Size: 11x9.8cm/4.33x3.86inch.Power By: 2 Pieces AA Batteries (Not Included).Two Levels of Adjustment: 12 Hours/24 Hours Feeding Once.Suitable for: Can Clip 2.5mm/0.10inch Thick Glass Tank.Feeding Amount: When Adjusted to The Large Position: Small Particles (1.5mm/0.06inch) Can Hold 40g, and Each Time Can Be Fed 8g, Which Can Be Fed 5 Times; Large Particles (4.5mm/0.18inch) Can Be Fed 28g, It Can Be Fed 1g Each Time, Which Can Be Fed 28 Times. Package Includes: 1 Piece Automatic Feeder Note: 1. Please allow slightly error due to manual measurement.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. Wish you a wonderful on-line shopping!