A 9V Battery (Non-rechargeable) is a compact and reliable power source that provides 9 volts of stable voltage for various electronic devices. It typically uses alkaline or carbon-zinc chemistry and has a capacity of 400-600 milliampere-hours (mAh) for extended use. With a snap-on connector or terminal for easy installation, a 9V non-rechargeable battery is commonly used in devices like smoke detectors, remote controls, and electronic toys. It has a long shelf life of 5-10 years, low self-discharge rate, and operates in a wide temperature range.

The UNI-T UT136B Digital Multimeter is a compact and reliable measuring tool that offers accurate measurements for a variety of electrical parameters. With its large LCD display, backlit feature, and user-friendly interface, it is easy to use in various lighting conditions. It has a wide range of measuring functions, including voltage, current, resistance, capacitance, frequency, diode testing, and continuity testing, making it suitable for both professional and DIY use. The UT136B also features practical functions such as data hold, low battery indicator, and auto power-off, and is built to withstand tough working conditions with its shockproof protective rubber holster. With its durability, precision, and convenience, the UT136B is a reliable choice for electrical testing and troubleshooting tasks.

The VC830L Digital Multimeter is a compact and versatile measuring tool designed for professional technicians and DIY enthusiasts. It features a large LCD display with backlight for easy reading, offers a wide range of measurement functions including temperature measurement, and comes with safety features such as CAT III 600V and CAT IV 300V ratings. With auto-ranging, data hold, and low battery indicator, the VC830L is a reliable and user-friendly multimeter for accurate measurements in various electrical and electronic applications. Powered by a 9V battery, it is a portable and convenient choice for your measuring needs.

The UNI-T UT136B+ Digital Multimeter is a versatile and reliable measuring tool for electrical and electronic applications. It offers a wide range of measurement functions, including voltage, current, resistance, capacitance, frequency, temperature, and diode testing. With a large LCD display, high accuracy, durable design, and user-friendly features such as data hold and backlight, the UT136B+ is a valuable tool for both professionals and DIY enthusiasts.

The KA3005D High Precision Adjustable Digital DC Power Supply is a professional-grade power supply designed for precision and reliability. It offers an output voltage range of 0 to 30 volts and an output current range of 0 to 5 amps, making it suitable for a wide range of applications. With its high-resolution digital display, multiple operating modes, and advanced protection features, the KA3005D is ideal for electronics testing, laboratory experiments, and manufacturing processes where precise and stable power supply is critical.

3D plastic printing services offer a cutting-edge solution for creating three-dimensional objects using plastic materials. Through the use of additive manufacturing technology, digital designs can be transformed into physical objects with great precision and versatility. These services allow for rapid production of prototypes, functional parts, and end-use products, with the ability to create complex geometries, internal structures, and fine details. 3D plastic printing services are applicable across various industries, enabling faster product development cycles, customization, and reduced environmental impact.

The Variable DC Power Supply 30V 10A is a high-quality electronic device that provides an adjustable source of direct current (DC) power with an output voltage range of 0-30V and an output current range of 0-10A. It features a durable construction, precise voltage and current control, and multiple safety features. With its digital display, adjustable settings, and reliable performance, this power supply is suitable for various electronic experiments, research, development, and testing applications.

The PP-200 200MHz Digital Oscilloscope Probes are high-quality probing tools designed for use with digital oscilloscopes. With a bandwidth of 200MHz, attenuation options of 1X and 10X, and a durable design, these probes provide accurate and precise measurements of electronic signals. They feature a high input impedance, adjustable compensation, and a durable probe tip with a hook and ground clip for easy connection. Compatible with most digital oscilloscopes, the PP-200 probes are ideal for various electronics applications, making them an essential tool for engineers, technicians, and hobbyists.

The 1kg Roll of 1.75mm PLA Filament in Blue Color is a high-quality, environmentally friendly filament designed for 3D printing. With a vibrant blue color and a diameter of 1.75mm, this filament is perfect for creating eye-catching prints. It comes on a standard-sized spool and provides ample material for various printing projects. Made from renewable sources and with minimal warping, this PLA filament offers a smooth printing experience and high-quality results. Compatible with most 3D printers that support PLA filament, it's an excellent choice for both beginners and experienced users. Unleash your creativity and bring your ideas to life with this premium blue PLA filament.