Description 1. Advanced Connectivity and intelligent measurement: Experience cutting-edge electrical testing with the ZT-300AB digital multimeter. This device features seamless Bluetooth connection functionality, allowing for real-time data monitoring and analysis directly on a smartphone. It integrates intelligent automatic ranging and True RMS technology, which can measure AC/ D.C. voltage, current, resistance, capacitance, frequency, etc. with great precision, simplifying your diagnostic tasks. 2. Comprehensive measurement capability: This multi-functional tool offers a wide range of functions, including AC/D.C voltage measurement up to 750V/1000V, AC/D.C current measurement up to 9.99a, resistance up to 60MΩ, capacitance up to 4000u.F, and frequency up to 10MHz. It adheres to the 600V CAT III and 1000V CAT II safety standards to ensure reliable and safe operation for various applications. 3. Clarity and Structure: Enjoy crystalclear readings on 6,000 large LCD displays with bright backlighting for optimal visibility under various light conditions. Other user-friendly features include data retention, NCV (non-contact voltage) detection, diode testing, continuity testing and automatic power-off. This instrument is made of ABS material, with dimensions approximately 17.2 cm × 6.4 cm × 3.2 cm (6.77 inches × 2.52 inches × 1.26 inches), weighing 172 grams, and is portable. 4. All measurement functions feature high precision, with D.C voltage accuracy of ± (0.5%+3) and AC voltage accuracy of ± (1.0%+3). The ZT-300AB also offers features such as temperature measurement, duty cycle and relative value mode. These advanced testing functions make it an indispensable tool for professional electricians and enthusiastic DIyers who need reliable and accurate electrical diagnosis. 5. Enhance user experience and practical application: Suitable for a wide range of users from electricians to homeowners, this digital multimeter simplifies complex electrical work. The integrated Bluetooth function is a significant advantage, allowing for remote monitoring and easy recording of measurements directly on your smartphone. This provides a modern and effective way to record, analyze and share electrical data, greatly enhancing productivity and convenience. 【Eco-Friendly and Sustainable】Made with environmentally conscious practices, this product is eco-friendly and contributes to sustainability efforts. It is designed to minimize waste and reduce environmental impact. 【Exceptional Performance】Engineered for high efficiency and effectiveness, this product delivers outstanding results every time. Its advanced features ensure consistent performance, making it a reliable choice for your needs 【High-Quality Materials】Crafted from premium, materials to ensure longevity and superior performance. Each product is meticulously tested to meet high standards of quality and safety. 【User-Friendly Design】Ergonomically designed for ease of use, this product offers intuitive controls and a comfortable grip, making it perfect for both beginners and experienced users. 【Versatile Functionality】This product is multifunctional and can be used for a variety of tasks, providing you with the flexibility and convenience needed to handle multiple uses with a single tool.