Flame-retardant metal casing: Constructed with a safe and metal casing that offers fire resistance. Convenient reset button: Features a reset button for quick and easy operation. High-definition display: Equipped with a digital display window featuring bright, clear LED digital tube for easy visibility. Accurate performance: Delivers precise and reliable results, enhancing efficiency and reducing labor costs. Durable materials: Shock-resistant and temperature-resistant design ensures a long service life with high-quality construction.