The portable voice type four in one gas detector is a safe device that can continuously detect the concentration of leaked gas. Adopting advanced integrated circuit technology, embedded microcomputer control, high-quality imported gas sensors, with excellent sensitivity and repeatability; Using a dot matrix LCD display, supporting both Chinese and English interfaces and voice prompts, users can quickly understand this product, and it is easy to use and maintain; The shell is made of high-strength engineering plastic, which has good seismic resistance, high strength, high-end and atmospheric appearance, and has dust-proof, waterproof, and explosion-proof functions. Built in 1800mAh lithium-ion battery, with a full charge range of over 10 hours. The back of the instrument can be equipped with an aluminum crocodile clip, making it more convenient to carry.