The heat detector tester is specially designed to provide quick and reliable testing of heat detector,maximum of safety regardless of the number of units to be tested for fire alarm system on the ceiling,offers efficient testing in a simple to use format for power 110V to 230V.The main parts of the products are aluminum and stainless steel, firm and durable to use, simple and practical to operate, convenient and easy to carry.The product is widely applicable for firefighting system installation and engineering, fire alarm system maintenance and testing etc.