Features: High Quality: Made of premium plastic material, durable and accurate. Double wall electric calorimeter with large capacity . Features: Provided with an handle, stirrer and a single-hole rubber stopper. It determining the electrical equivalent of heat, the supporting posts and coil are coated to prevent electrolysis. Size: The calorimeter is approximately 5.43" tall, with an outer diameter of 3.94" for the outer vessel. Applications: For determining the electrical equivalent of heat with standard binding posts for electrical connections. Occasions: It is a great teaching equipment for middle high school students and teachers. Specifications: Material: Plastic Diameter: Approx.100mm/3.94 inches Height: Approx.138mm/5.43 inches Color: Yellow Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Electric Calorimeter