1. مقدمه
The SYLVANIA Dusk to Dawn A19 LED Light Bulb is designed to provide automatic illumination for both interior and exterior spaces. Featuring a built-in light sensor, these bulbs activate under low-light conditions and deactivate when sufficient ambient light is detected. This functionality eliminates the need for manual switching or timers, enhancing convenience and security around your home. With an estimated lifespan of 15,000 hours, these energy-efficient LED bulbs offer a long-lasting lighting solution.
2. ویژگی های محصول
- Integrated Sensor Technology: Automatically turns the light on in low-light conditions and off when light levels increase.
- برنامه همه کاره: Suitable for use in hallways, decks, porches, garages, mudrooms, and other indoor or outdoor areas.
- بهره وری انرژی: Designed to replace 60W incandescent bulbs while consuming only 9 watts, reducing electrical costs.
- طول عمر طولانی: Engineered for durability with a rated life of up to 15,000 hours, equivalent to over 13 years of typical use.
- نور سفید ملایم: Emits a 2700K soft white light with 800 lumens of brightness, providing a warm and inviting ambiance.
- شاخص رندر رنگ بالا (CRI): An 80 CRI ensures accurate color perception.

3. دستورالعمل نصب
Follow these steps for safe and proper installation of your SYLVANIA Dusk to Dawn LED light bulb:
- خاموش: Before installation, ensure the power to the light fixture is turned off at the circuit breaker or wall switch.
- حذف لامپ قدیمی: لامپ موجود را با دقت از پایه جدا کنید.
- نصب حباب جدید: Screw the SYLVANIA Dusk to Dawn LED bulb into the standard E26 medium base socket until it is finger-tight. Do not overtighten.
- بازیابی برق: برق را دوباره از طریق کلید قطع کننده مدار یا کلید دیواری وصل کنید.
- محل قرارگیری سنسور: For optimal performance, ensure the light sensor on the bulb is not obstructed and is exposed to ambient light. Avoid placing the bulb in fixtures that might block the sensor or in close proximity to other light sources that could interfere with its operation.

4. دستورالعمل های عملیاتی
The SYLVANIA Dusk to Dawn LED bulb operates automatically based on ambient light levels:
- روشن شدن خودکار: The built-in light sensor detects when ambient light falls below a certain threshold (e.g., at dusk or in dark conditions) and automatically turns the bulb on.
- خاموش شدن خودکار: When the sensor detects sufficient ambient light (e.g., at dawn or when other lights are turned on nearby), the bulb will automatically turn off.
- توان پیوسته: For the automatic function to work, the light fixture's switch must remain in the 'ON' position.

5. تعمیر و نگهداری
SYLVANIA LED bulbs are designed for long-term, maintenance-free operation. However, consider the following for optimal performance:
- تمیز کردن: If necessary, gently wipe the bulb with a soft, dry cloth to remove dust. Do not use liquid cleaners or abrasive materials.
- انسداد حسگر: Periodically check that the light sensor on the bulb is clear of any obstructions (e.g., dirt, leaves, fixture components) that could interfere with its ability to detect light levels.
- جایگزینی: While designed for longevity, if the bulb ceases to function, replace it with a new SYLVANIA Dusk to Dawn LED bulb.
6 عیب یابی
If you encounter issues with your SYLVANIA Dusk to Dawn LED bulb, refer to the following common solutions:
| مشکل | علت احتمالی | راه حل |
|---|---|---|
| Bulb does not turn on at dusk. | 1. کلید برق خاموش است. 2. Sensor is obstructed or receiving too much light. ۲. لامپ معیوب است. | 1. Ensure the fixture's power switch is in the 'ON' position. 2. Check for obstructions over the sensor. Relocate if another light source is interfering. 3. لامپ را تعویض کنید. |
| Bulb does not turn off at dawn. | 1. Sensor is obstructed or not receiving enough light. ۲. لامپ معیوب است. | 1. Ensure the sensor is clear and exposed to daylight. Remove any obstructions. 2. لامپ را تعویض کنید. |
| لامپ سوسو میزند یا کمنور میشود. | 1. اتصال سست. 2. Incompatible dimmer switch (this bulb is non-dimmable). 3. مسئله برق. | 1. Turn off power, then re-tighten the bulb. 2. Ensure the bulb is not connected to a dimmer switch. 3. Consult a qualified electrician if the issue persists. |
7. مشخصات فنی
| مشخصات | ارزش |
|---|---|
| شماره مدل | 41257 |
| نوع نور | LED |
| اندازه شکل لامپ | A19 |
| پایه لامپ | E26 متوسط |
| واتtage | 9 وات |
| معادل رشته ای | 60 وات |
| روشنایی | 800 لومن |
| دمای رنگ | 2700 کلوین (سفید نرم) |
| جلدtage | 120 ولت |
| شاخص رندر رنگ (CRI) | 80 |
| عمر متوسط | 15,000 ساعت |
| ویژگی های خاص | Energy Efficient, Frosted, Light Sensor, Shatter Resistant |
| کم نور | خیر |
| مواد | پلاستیک |
| استفاده در فضای باز/داخلی | سرپوشیده |
| UPC | 046135412578 |

8. گارانتی و پشتیبانی
This SYLVANIA Dusk to Dawn A19 LED Light Bulb is backed by a standard 3-year warranty. For warranty claims or technical support, please refer to the contact information provided on the product packaging or visit the official LEDVANCE webسایت






