1. ভূমিকা
The SmallRig RM 40C is a compact and powerful mini RGB LED video light designed for content creators and photographers. This portable light offers versatile illumination with its full-color RGB capabilities, wide color temperature range, and extended battery life. Its intuitive controls and magnetic mounting options make it an essential tool for various shooting environments.
মূল বৈশিষ্ট্য অন্তর্ভুক্ত:
- Portable pocket-sized design (128 x 80 x 32 mm, 302g).
- Integrated 4800mAh lithium battery providing up to 55 minutes of operation at 100% brightness.
- High brightness output of 4670 Lux at 0.5m (5600K).
- Intuitive HD LCD screen for clear parameter visibility.
- Magnetic diffuser for quick light softening.
- Versatile magnetic mounting for flexible placement.
- Full-color RGB with 145 high-CRI LEDs (60 cool white, 60 warm white, 25 RGB).
- ২৮০০K থেকে ৬৮০০K পর্যন্ত সামঞ্জস্যযোগ্য রঙের তাপমাত্রা।
- Over 36,000 colors and 14 built-in light effects.
- USB Type-C PD fast charging, allowing continuous use while charging.
৩.১. বাক্সে কী আছে
Upon unboxing your SmallRig RM 40C Mini LED Video Light, please ensure all the following components are present:
- 1 x SmallRig RM 40C Video Light
- 1 x Attachable Diffuser
- 1 x Magnetic Grid
- 1 এক্স ইউএসবি-সি চার্জিং কেবল
- 1 x অপারেটিং নির্দেশিকা ম্যানুয়াল

Image: The SmallRig RM 40C Mini LED Video Light, along with its included accessories: an attachable diffuser, a magnetic grid, a USB-C charging cable, and the operating instruction manual. The image also displays key specifications.
3. সেটআপ
3.1 ডিভাইস চার্জ করা
Before initial use, fully charge the RM 40C. Connect the provided USB-C charging cable to the light's USB-C port and plug the other end into a compatible USB power adapter (not included). The LCD screen will display the charging status. The device supports PD fast charging, allowing it to be used continuously while charging.

Image: A hand connecting a USB-C cable to the SmallRig RM 40C Mini LED Video Light, illustrating the charging process. The image also highlights the 4800mAh long-lasting battery and runtime at different brightness levels.
3.2 মাউন্ট করার বিকল্প
The RM 40C offers flexible mounting solutions:
- ১/৪"-২০ থ্রেডেড হোল: A standard 1/4"-20 anti-twist threaded hole is located at the bottom of the light, allowing direct attachment to cameras, cages, tripods, or other accessories.
- চৌম্বক মাউন্টিং: The back of the light is magnetic, enabling it to be securely attached to metallic surfaces for creative lighting setups.

Image: Four panels demonstrating various usage scenarios for the SmallRig RM 40C: mounted on a tripod, magnetically attached to a surface, mounted on a camera, and handheld.
3.3 Attaching Diffuser and Grid
The included attachable diffuser and magnetic grid can be easily snapped onto the front of the light. The diffuser softens the light output, while the grid helps control light spill and direction. These accessories can be attached or detached in seconds.
4. অপারেটিং নির্দেশাবলী
4.1 পাওয়ার অন/অফ
To power on the RM 40C, press and hold the power button located on the side of the unit. To power off, press and hold the same button again.
4.2 সেটিংস সামঞ্জস্য করা
The RM 40C features an HD LCD screen and a side control button for precise adjustments:
- উজ্জ্বলতা: Rotate the control button to adjust the light intensity from 0% to 100%.
- রঙের তাপমাত্রা (সিসিটি মোড): In CCT mode, rotate the control button to change the color temperature from 2500K (warm) to 10000K (cool).
- আরজিবি মোড: In RGB mode, rotate the control button to cycle through over 36,000 colors.
- Light Effects (FX Mode): The light offers 14 built-in special effects. Navigate through the menu on the LCD screen to select and adjust these effects.

ছবি: ক্লোজ-আপ view of the SmallRig RM 40C showing the side control button for adjustments, the HD LCD screen displaying settings, and the magnetic grid and diffuser for light modification.

Image: A visual representation of the 14 built-in light effects available on the SmallRig RM 40C, including TV, Paparazzi, Pulse, Broken Bulb, Flame, Police Light 1, 2, 3, CCT Cycle, Lightning, Flash, Party, Fireworks, and RGB Cycle.

Image: A demonstration of the SmallRig RM 40C's adjustable color temperature from 2500K (warm orange light) to 10000K (cool blue light), showing its versatility for different lighting moods.
5. রক্ষণাবেক্ষণ
- পরিষ্কার করা: Use a soft, dry cloth to clean the surface of the light. Avoid using abrasive cleaners or solvents that could damage the finish or electronic components.
- সঞ্চয়স্থান: Store the RM 40C in a cool, dry place, away from direct sunlight and extreme temperatures. When storing for extended periods, ensure the battery is partially charged (around 50%) to prolong its lifespan.
- ব্যাটারি যত্ন: To maintain optimal battery performance, avoid fully discharging the battery frequently. Recharge the device regularly, even if not in use, to prevent deep discharge.
- হ্যান্ডলিং: Handle the light with care. Avoid dropping it or subjecting it to strong impacts, which could damage internal components.
6. সমস্যা সমাধান
| সমস্যা | সম্ভাব্য কারণ | সমাধান |
|---|---|---|
| আলো জ্বলে না। | ব্যাটারির চার্জ কম থাকা অথবা পাওয়ার বোতামটি সঠিকভাবে চাপা না থাকা। | Charge the device using the USB-C cable. Ensure the power button is pressed and held until the screen illuminates. |
| আলো চার্জ হচ্ছে না। | ত্রুটিপূর্ণ USB-C কেবল বা পাওয়ার অ্যাডাপ্টার। | Verify the USB-C cable is securely connected. Try a different USB-C cable or power adapter. |
| Light becomes hot during operation. | High power output. | The intelligent cooling system adjusts fan speed. If it overheats, the light may automatically reduce brightness or shut down. Allow it to cool. This is normal behavior for high-power LEDs. |
| Audible fan noise. | কুলিং ফ্যান চালু। | The fan noise is normal, especially at higher brightness levels. Noise levels are approximately 22dB (<40% brightness), 30dB (40-60% brightness), and 36dB (60%+ brightness). Adjust brightness for optimal performance in sound-sensitive environments. |
7. স্পেসিফিকেশন
| বৈশিষ্ট্য | বিস্তারিত |
|---|---|
| ব্র্যান্ড | স্মলরিগ |
| মডেলের নাম | RM 40C |
| প্রস্তুতকারকের অংশ নম্বর | 5359 |
| মাত্রা | 12.8 x 8.0 x 3.2 সেমি (5.04 x 3.15 x 1.26 ইঞ্চি) |
| আইটেম ওজন | ১৪৯ গ্রাম (৫.৩ আউন্স) |
| পাওয়ার আউটপুট (সর্বোচ্চ) | 40W |
| রঙের তাপমাত্রা পরিসীমা | ২৮০০কে - ৬৮০০কে |
| সিআরআই | ≥96 |
| টিএলসিআই | ≥99 |
| ব্যাটারির ক্ষমতা | 4800mAh (7.3V / 35.04Wh) |
| ব্যাটারি লাইফ (১০০% উজ্জ্বলতা) | প্রায় 55 মিনিট |
| সংযোগ প্রযুক্তি | ইউএসবি টাইপ-সি |
| সামঞ্জস্যপূর্ণ ডিভাইস | Any camera with a 1/4"-20 mount, any USB power source |
| উপাদান | পিসি (পলিকার্বোনেট) |
| জল প্রতিরোধের স্তর | জল প্রতিরোধী নয় |
8. ওয়্যারেন্টি এবং সমর্থন
SmallRig products are designed and manufactured to high-quality standards. For detailed warranty information, please refer to the warranty card included with your product or visit the official SmallRig webসাইট
If you encounter any issues or require technical assistance, please contact SmallRig customer support. You can find contact information and additional resources on their official webসাইট:
Amazon-এ SmallRig স্টোরটি দেখুন
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