Waterproof design: The panel is designed to be waterproof, ensuring durability and safe operation even in wet environments. Userfriendly display: Featuring a digital LCD display, this voltmeter presents voltage readings in an easily readable format for all users. Compact and portable: With dimensions of 8 x 33.6 mm, this lightweight tester is suitable for use anywhere without occupying much space. Custom calibration: Equipped with custom calibration capabilities, this tester guarantees accuracy across various scenarios. Use scenarios Home electrical work: Quick voltage checks before servicing outlets, switches, or wiring to confirm safety and correct operation. Outdoor or damp environments: Ideal for testing solar panels, battery banks, vehicle circuits, or outdoor lighting where moisture is present. Electronics prototyping and field work: Compact form factor enables measurements in tight spaces and on the go, supporting accurate voltage readings during projects.