Product advantages: 1. Bluetooth connection: mobile phone can directly control the multimeter. 2. More applications of measurement data: data recording, data graphics, data sharing, data storage and export, threshold alarm. 3. Multi-meter collaboration: APP can connect four Bluetooth multimeters and simultaneously monitor the measurement data of the four multimeters in real time. 4. Intelligent calculation function: use multimeter data to quickly calculate mathematical formulas such as power. 5. Remote aistance: real-time remote screen synchronization, easy zero-distance communication, and ultra-distance real-time monitoring. 6. Find a master-multimeter user communication platform Five major categories: home appliance repair, electrician knowledge, circuit synthesis, Q &A, and fan discuions. Order Notice: The APP download site is as follows. Favorite friends can download in advance. Thank you! Specifications: Display: 6000 counts DC voltage: 6V/60V/600V (0.5%+3) AC voltage: 6V/60V/600V (1.0%+3) AC current: 600mA/6A/60A/600A(2.0%+3) Capacitance: 6nF(5.0%+20); 60nF/600nF/6uF/60uF/600uF (3.5%+4); 6mF (5.0%+5) Resistance: 6K (1.5%+3); 60K/600K/6M (1.0%+3); 60M (1.5%+3) Frequency: 6Hz/60Hz/600Hz/6kHz/60kHz/600kHz/6MHz/10MHz (1%+2) Temperature: -20~1000 / -4~1832 (3%+5) NCV (Non-contact Voltage Detection): Yes Diode Test: Yes Continuity: Yes Power: 1.5V AAA * 2 Size:170mm*61mm*28mm Weight: 117g Package Includes: 1 * ZT-5BQ Wirele Clamp meter 1 * C3104 Alligator Clip 1 * Probes 1 * Lanyard 1 * Portable cloth bag 1 * Thermocouple 1 * User Manual 1 * Color box