This digital handheld is equipped with a large-capacity battery, can use it outdoors without worrying about power failure or looking for a power source. With its intuitive operation and highly sensitive buttons, you can easily get your testing job started soon. It is suitable for various kinds of testing needs, ideal for daily life and industries use. Features -Color:Assorted Color -Material:ABS -Size:21.00 5.00X5.00cm/8.25X5.89 .97in -Sampling rate: 2. /s -Bandwidth: 200K -Coupling mode: /DC -Display: 2.8 inches / :320 x -Vertical sensitivity: 10mV/ DIV-20V /Div( by 1-2-5) -USB charging: 5V/1A -Time : 10µs/ div- /Div( by 1-2-5) -Lithium battery capacity: 1000mAh -Calibration : Frequency :1K; Duty cycle :50% - range: :40V ( :80V) 0: ±400V ( :800V) - Precise measurement: The handheld provides precise signal measurement, with high accuracy and resolution, ensuring easy measurement and analysis. - Compact size: this digital is of a small size that fits your palm, easy to carry and store, ideal for outdoor use. - High-sensitivity buttons: The buttons that are easy to press and respond quickly. This makes it easy to operate the with accuracy. - Large capacity battery: The tester is equipped with a large capacity battery that provides long- . - Versatile tester: It can be used to measure a variety of signals, including , current, and frequency, versatile for many different applications. Package list: 1 x 1 x charging cable 1 x ordinary probe 1 x high pressure probe 1 x adapter 1 x user manual