O2 Smart Fish Feeder LED Screen Digital Display Automatic Fish Feeder Fish Food Dispenser for Fish Tank Black LED backlit screen with white lettering and four mechanical buttons for easy set-up White body, visualized transparent food dispenser, minimalist design concept, fits perfectly into the modern home environment 500ml capacity, up to 4 meals per day, up to 50 servings per meal, approx. 2g per serving Parameter memory and time memory, built-in RTC chip, and a small battery, no need for calibration even after complete power failure Completely sealed and dry box design to prevent the entry of insects and ants and to keep the fish food dry and fresh Intelligent working mode with automatic silence at night (20h00 to 08h00) and complete screen rest Power level reminder at a glance; alarm mode automatically activated when power is low Dual power supply and battery, double protection Multi-angle installation, three installation modes suitable for most open fish tanks Specifications: Product size: 90 x 90 x 180mm Adaptor: DC 5V 1A Data cable: 1.5m USB cable Battery power: 4 x AAA batteries (not included) Battery operating time: 2 months Time Mode: 24 hours Material: ABS Capacity: 500ml Maximum number of feeding meals: 4 meals Max. feeding number: 50 parts Single weight: 2g Package included: 1 x Fish Feeder 1 x Charging Cable 1 x English Manual Other items not included