Experience precise and versatile electrical measurements with this multifunctional digital multimeter, designed to meet the needs of professionals and hobbyists alike. Equipped with a wide test range, this handheld device accurately measures AC/DC voltage, resistance, capacitance, frequency, diode, continuity, and NCV live line detection, making it an essential tool for a variety of electrical and electronic applications. Key Features: · Multifunctional Measurement Capabilities: Supports comprehensive testing including AC/DC voltage, resistance, capacitance, frequency, diode, continuity, and non-contact voltage (NCV) detection for enhanced diagnostic versatility. · Smart Audible Alerts: Features a buzzer that sounds when measuring resistance below 50Ω and when detecting live voltage signals, providing immediate feedback for safer and more efficient troubleshooting. · Rechargeable Li-ion Battery: Built-in 800mAh rechargeable lithium-ion battery offers convenient, long-lasting power and easy recharging via USB cable, eliminating the need for frequent battery replacements. · Large High-Precision Display: The 3.5-inch color EBTN LCD delivers clear, sharp readings with a maximum count of 9999 digits, ensuring excellent visibility even under bright sunlight or low-light conditions. · Auto Ranging & Data Hold Function: Automatically selects the appropriate measurement range and allows data hold for easy reading and recording of measurement values. · Enhanced Safety Design: Incorporates full measuring range overload protection, double insulation, and complies with CAT II 600V and CAT III 300V safety standards to ensure reliable and secure operation. · Compact & Portable: Pocket-sized design with a durable ABS body, complemented by a high-quality protective sleeve and storage pouch to safeguard against shocks, friction, and bumps during use and transport. Specifications: · Material: ABS · Safety Level: CAT II 600V, CAT III 300V · Measurement Range:  - DC Voltage: 0.8~620V  - AC Voltage: 2.2~620V  - Resistance: 1Ω~999.9Ω, 1kΩ~60MΩ  - Capacitance: 1nF~999.9nF, 1μF~99.99mF  - Frequency: 1Hz~1kHz (ACV 2~10V), 1Hz~60kHz (ACV 10~620V)  - Duty Ratio: 0.1%~99.9% (ACV 2~620V) · Display: 3.5-inch Color EBTN LCD, max display 9999 digits · Sampling Time: Approximately 0.4 seconds · Auto Power-Off: 5 minutes · Operating Environment: 0~40℃, 0~80% RH · Storage Environment: -10~60℃, 0~70% RH · Operating Altitude: ≤2000m · Power Supply: 1 x 3.7V 800mAh rechargeable Li-ion battery · Dimensions: 143.4 x 70.9 x 15.7mm (5.65 x 2.79 x 0.62in) · Weight: 119g (4.20oz) Package Includes: · 1 x Digital Multimeter · 1 x Pair of Test Pens · 1 x USB Charging Cable · 1 x Protective Sleeve · 1 x Storage Pouch · 1 x User Manual (English) This digital pocket-sized multimeter combines accuracy, safety, and convenience in a compact form, making it the perfect tool for electrical testing, troubleshooting, and maintenance tasks across various settings. Its smart features and rechargeable design enhance usability, while the rugged protective accessories ensure durability during everyday use.