This is new beekeeping bee keeping observation hive. It is made out of pine and comes unstained. Corners are glued with outdoor glue and screwed for extra strength. Show off your bees. There is nothing is better than a good visual aid and this is a good one to have. Very classy looking hive. It holds 8 medium frames and has groves to keep frames from moving out of place. Since this is a small hive for the bees they will place there dead in the bottom. There is a chamber that can be sealed off with a peice of posterboard to get rid off any dead bees or to feed. The exit hole is 1 1/2 So a pipe/hose can be lead any where you would like. NOTHING NEEDED BUT YOUR FRAME AND BEES DO NOT PUT YOUR HIVE IN DIRECT SUNLIGHT Has screws to keep the doors closed. The viewing area is Plexiglass Easy to use. Just suppy the frame and bees hardware may change The observation hive holds 8 medium Langstroth frame. The dimensions inside of the hive with closed doors are 19 1/2″x30″x 3 mountable feeders are available to order for this item.