Product Name: JWU-9"Outeside-scale Adjust Angle Thermometer Model Number:JWU Supply Ability: 5,000 pcs/month 9" Upper part Upper part: Aluminum die-casting The length of the upper part of the body: 9" lower part: Aluminum die-casting The length of the lower part: 3.1/2" White V-shaped aluminum scale panel. Glass face (window) to exclude dirt and dust Red Reading Mercury filled tube with magnifying lens for easy readability, Filled tube with magnifying lens for easy readability (green liquid) The extent of survey: -40~110F/? 0~120F/? 0~160F/? 30~180F/? 30~240F/? 30~300F/? 50~400F/? 50~550F/? 50~750F/?