brand new and high quality Features: Administering oxalic acid treatment to bees to fight off the varroa mite. Inserted into the pan of the evaporator and placed under the bee grape through the airhole. Powered by a 12V car battery and the oxalic acid evaporates. Suitable for oxalic acid tablets or oxalic acid powder. Perfect for mite control of garden, backyard, patio, agriculture. Specifications: Color: As show Material: Stainless Steel Voltage: 12V Power: 150W Size: Diameter 4.5cm Quantity: 1Pc Note:1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Included: 1 Pc x Bee Vaporizer