Safe and Chemical-Free: The -250K is constructed without the use of high-concern chemicals, ensuring safety and environmental friendliness, ideal for educational environments and sensitive electronic testing. Battery Efficiency: Designed for extended use in field applications, the -250K does not include a battery, allowing users to choose high-capacity options suitable for prolonged diagnostics and educational purposes. and Clarity: Features a 2.8-inch LCD with a resolution of 320*240 pixels, providing clear and precise visual feedback, essential for detailed electrical measurements and educational demonstrations. Versatile Measurement Range: Capable of handling input voltages up to ±40V, this oscilloscope is perfect for a wide range of electrical testing requirements, from low-voltage electronics to moderate industrial applications. Compact and Portable: With its small size and design, the -250K oscilloscope is ideal for both DIY enthusiasts and professionals who require a reliable tool for on-the-go measurements and repairs., Manufacturer: Littimoon