Fish feeder Features:* Mini shape， space-saving.* Patented features - No jam， no clog and no fuss.* Quick settings and easy-of-use.* Can be operated automatically or manually.* Can Set up to 2 feeding times: 12H or 24H.* Manual food volume adjustor.* With ON/OFF switch.* Works with dry or loose flakes or pellets.* Has a built in digital clock for accuracy.* Extremely low power: just 2 AA batteries will last a year!* Ideal for various sizes of aquarium with two options of placing the food feeder on acquarium: free standing or rim-mounted.* Easy installation and operation.* High quality.Specifications:* Color: Black* Housing: Plastics* Can set up to 2 feeding times: 12 hours or 24 hours* Type of battery: 2*AA alkaline batteries (not included)* Unit dimensions (approx): 143*100*75mm* Net weight: 240g* Package dimensions: 149*106*81mm* Package weight: 290gPackage including:1 * Automatic Aquarium Tank Fish Food Feeder Timer2 * Double-faced stickers for mounting1 * User manual