1. Uvod
This manual provides essential information for the safe and effective use of your ISUERFY 9.5W A19 LED Black Light Bulb. This bulb is designed to emit ultraviolet (UV) light in the 385-400nm range, specifically for creating a blacklight effect, making fluorescent materials glow. It is suitable for various decorative and entertainment applications.

Image showing two ISUERFY A19 LED UVA Blacklight Bulbs with icons indicating easy installation, energy efficiency, and 50,000 hours lifespan.
2. Sigurnosne informacije
Please read and understand all safety instructions before using the product. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Samo za unutrašnju upotrebu: This bulb is designed for indoor use. Do not expose to water or moisture.
- Not for General Illumination: This is a specialized black light bulb and is not intended for general room lighting.
- Izbjegavajte direktno izlaganje očiju: While the UVA wavelength (385-400nm) is generally considered safe for skin and eyes with reasonable exposure, prolonged direct exposure to the light source should be avoided. Do not stare directly into the bulb.
- Proper Voltage: Osigurajte jačinu zvuka uređajatage matches the bulb's specifications (100-240V).
- Pažljivo rukujte: Always handle the bulb by its base. Avoid touching the glass portion directly to prevent oil residue, which can shorten bulb life.
- Držite dalje od zapaljivih materijala: Ensure adequate ventilation and keep the bulb away from easily flammable objects.
3. Postavljanje i instalacija
The ISUERFY A19 Black Light Bulb features a standard E26 base, making it compatible with most common lighting fixtures.
Koraci instalacije:
- Provjerite je li napajanje isključeno: Before installation, always turn off the power to the light fixture at the switch and, if possible, at the circuit breaker.
- Uklonite staru sijalicu (ako je primjenjivo): If replacing an existing bulb, allow it to cool completely before carefully unscrewing it counter-clockwise.
- Instalirajte novu žarulju: Carefully screw the ISUERFY A19 Black Light Bulb into the E26 socket by turning it clockwise until it is snug. Do not overtighten.
- Vrati snagu: Ponovo uključite napajanje na prekidaču, a zatim na prekidaču za svjetlo.

Image illustrating the ISUERFY A19 Black Light Bulb, highlighting its E26 base and key features like 9.5W power, 50,000-hour lifespan, and premium LEDs.
4. Operacija
Once properly installed, the ISUERFY A19 Black Light Bulb operates by simply turning on the power switch of the fixture it is installed in. The bulb will emit a purple glow, and any fluorescent or UV-reactive materials in its path will illuminate brightly.

Comparison image showing a graffiti wall under normal light (Light OFF) and then under the ISUERFY black light (Light ON), demonstrating the fluorescent effect.
Prijave:
- Party Lighting: Ideal for creating a vibrant atmosphere at parties, clubs, and events.
- Art and Decor: Enhances fluorescent posters, body paint, and glow-in-the-dark decorations.
- Specijalni efekti: Suitable for Halloween decorations and other themed setups.

Collage of images showing the ISUERFY black light in various indoor settings, including a room with a ceiling fan, a desk setup, and people with body paint, illustrating its UVA level (385-400nm) and safe use for eyes and body.
5. Održavanje
The ISUERFY A19 LED Black Light Bulb requires minimal maintenance. Follow these guidelines to ensure optimal performance and longevity:
- čišćenje: Ensure the bulb is cool and the power is off before cleaning. Gently wipe the bulb with a soft, dry cloth. Do not use liquid cleaners or abrasive materials.
- Skladištenje: Ako čuvate sijalicu, čuvajte je u originalnom pakovanju ili zaštitnoj posudi na hladnom i suhom mjestu.
- Zamjena: Replace the bulb if it becomes damaged or stops functioning.
6. Otkrivanje problema
If you encounter issues with your ISUERFY A19 LED Black Light Bulb, refer to the following troubleshooting steps:
- Sijalica ne svijetli:
- Provjerite je li prekidač za napajanje u položaju 'UKLJUČENO'.
- Uverite se da je sijalica dobro pričvršćena u grlo.
- Verify that the light fixture is receiving power (test with another working bulb if possible).
- Check the circuit breaker for the room.
- Svjetlo je prigušeno ili treperi:
- Provjerite da li je sijalica potpuno zategnuta u grlu.
- Confirm the fixture is not connected to a dimmer switch, as this bulb may not be compatible with all dimmer types.
- If the issue persists, the bulb may be nearing the end of its lifespan or be faulty.
Ako ovi koraci ne riješe problem, obratite se korisničkoj podršci.
7. Specifikacije
Detailed technical specifications for the ISUERFY 9.5W A19 LED Black Light Bulb:

Diagram showing the dimensions of the ISUERFY A19 Black Light Bulb (2.33 inches width, 4.33 inches height) and a close-up of its high-brightness lamp perle.
| Feature | Specifikacija |
|---|---|
| Brand | ISURFY |
| Model | A19 |
| Light Type | LED |
| Posebna karakteristika | Blacklight |
| Potrošnja energije | 9.5 Watts |
| Žarulja ekvivalent | 70 Watts |
| Veličina oblika sijalice | A19 |
| Bulb Base | E26 |
| Light Color | Black Light |
| Talasna dužina | 385-400nm |
| Voltage | 100-240 Volti |
| Ugao snopa | 120 stepeni |
| Average Life | 50,000 sata |
| Dimenzije proizvoda | 2.4 cm Š x 4.3 cm V |
| Unutrašnja/vanjska upotreba | Indoor |
8. Informacije o garanciji
The ISUERFY 9.5W A19 LED Black Light Bulb is designed for durability and a long operational life of approximately 50,000 hours under normal use. For specific warranty terms and conditions, please refer to the product packaging or contact the manufacturer directly.
9. Korisnička podrška
If you have any questions, concerns, or require assistance with your ISUERFY 9.5W A19 LED Black Light Bulb, please contact ISUERFY customer support through the retailer's platform or the official ISUERFY website. Please have your product model (A19) and purchase details available when contacting support.