Bynome 4Pin Light Bulb 2D Gr10q 4 pin 16w Cap Standard White (6500k) Bathroom Ceiling Compact Fluorescent Lamp,Energy Saving Lamp

1: 【CRITICAL COMPATIBILITY CHECK】 Designed exclusively with a square GR10q 4-Pin push-fit base. Strictly NOT compatible with 2-pin light fixtures or ballasts. Measures 13.3x13.3cm—perfectly replaces 16W 4-pin bulbs only; cannot replace 28W or 38W versions. 2: 【SUPERIOR BRIGHTNESS & SAVINGS】 Delivers 1800 lumens of crisp 6500K daylight cool white light. This energy-efficient 16 watt 4 pin light bulb uses advanced fluorescent technology to eliminate dark spots, significantly cutting your electricity bills.significant power savings compared to standard fluorescent tubes 3: 【EXTERNAL BALLAST REQUIRED】 This is a professional Compact Fluorescent Lamp (CFL), NOT an LED bulb. It must be used with a compatible external ballast to function. Delivers stable, flicker-free illumination with a high Color Rendering Index (>80Ra). 4: 【10,000-HOUR ULTRA LONGEVITY】 Our heavy-duty 4 prong light bulb boasts an impressive lifespan of up to 10,000 hours. Reduces the hassle and cost of frequent replacements in hard-to-reach recessed ceiling fixtures, ensuring sustainable daily lighting. 5: 【VERSATILE INDOOR APPLICATION】 The ideal 2D flat butterfly shape bulb for high-traffic or moisture-prone spaces. Perfectly fits flush ceiling lights in bathrooms, kitchens, living rooms, bedrooms, corridors, hallways, stairwells, and retail stores., Manufacturer: Bynome