QDB-2A — Electric DIY Display Module (3.0–4.9 inch) Key benefits Easy integration: Designed for electric DIY projects, the QDB-2A works directly with a DC 12–24V power supply, reducing the need for extra converters or complex wiring. Compact and versatile size: The supported display range (3.0–4.9 inches) fits small control panels, instrument clusters, and compact enclosures. Clear selection and ordering: Model number QDB-2A identifies the exact accessory you need for replacement, upgrades, or new builds. What this product solves Eliminates compatibility guesswork by supporting a wide input voltage range (DC 12–24V), so it adapts to common automotive, industrial, and hobby power systems. Saves space in designs that require a small visual interface: the 3–4.9 inch size makes it suitable for tight installations. Simplifies DIY electric projects by providing a ready accessory that matches standard small-display requirements. Important attributes Function: Electric DIY accessory intended as a small display module Power compatibility: DC 12–24V input Display size compatibility: 3.0–4.9 inches Model: QDB-2A Practical applications Home or building automation: Use the QDB-2A as a compact status display for room controllers, security panels, or thermostat interfaces powered by standard DC supplies. Automotive and mobile projects: Integrate into custom dashboards, vehicle monitors, or boat electronics that operate on 12–24V systems. DIY instruments and appliances: Add a small visual interface to bench equipment, machine controllers, or replacement displays in small consumer devices. Installation and use tips Verify your project provides a stable DC 12–24V supply before connecting. Confirm your display panel fits within the 3.0–4.9 inch range and that mounting dimensions match your enclosure. Refer to the QDB-2A model label when ordering spare parts or seeking technical support to ensure accurate compatibility. Specifications (as provided) Power supply: DC 12–24V DIY accessories: electric Display size: 3–4.9 inches Model Number: QDB-2A