Product description: 1. The material is aluminum, electroplated with anodized black 2. The appearance is smooth, no drape, damage, etc. 3. The injection mold should have the mold model 4. Input 9VDC, standby power 1W, working current 300mA 5. Projection material: glass 6. It is equipped with 1PCS hexagon nut and 1PCS black 19MM O-ring, the hexagon nut and O-ring need to be packaged separately 7. Hexagonal nut, M20*3.8mm, material aluminum, surface anodized black
