1. Introduction
The ESMARTER W5144 Multifunction Flashlight is a compact and versatile lighting tool designed for a wide range of applications. It integrates several useful features including multiple lighting modes, a built-in bottle opener, a strong magnetic base, a survival whistle, and a cigarette lighter function. Its durable construction and portable design make it ideal for outdoor activities, emergency situations, and everyday use.
2. Setup
2.1 Unpacking
Carefully remove all components from the packaging. The package should include:
- ESMARTER W5144 Multifunction Flashlight
- Type-C Charging Cable
- Lanyard

Image: The ESMARTER W5144 flashlight shown with its included accessories: a Type-C charging cable and a lanyard.
2.2 Initial Charging
Before first use, it is recommended to fully charge the flashlight. Locate the Type-C charging port, usually protected by a red rubber cover on the side. Connect the provided Type-C cable to the flashlight and a suitable USB power source (e.g., wall adapter, power bank, computer USB port). The blue indicator lights will illuminate to show the charging status.

Image: The flashlight connected to a Type-C charging cable, with blue indicator lights showing it is charging. This image highlights the 'TYPE-C CHARDING BUILT IN FAST CHARGING CHIP FASTER CHARGING' feature.
2.3 Lanyard Attachment
Attach the lanyard to the designated hook on the flashlight for convenient carrying and to prevent accidental drops.

Image: The flashlight featuring a 'HOOK LOCK DESIGN' and an attached lanyard, emphasizing ease of carrying.
3. Operating Instructions
3.1 Power On/Off and Mode Selection
Press the red power button on the side of the flashlight to cycle through the various lighting modes. A long press will activate the Ultra Strong Light mode.
- White Strong Light
- White Weak Light
- Yellow Strong Light
- Yellow Weak Light
- Red Light
- Red Flash
- Long Press: Ultra Strong Light

Image: A diagram illustrating the 'FOUR MODES' of the flashlight, showing the sequence of light modes activated by pressing the switch: White Strong Light, White Weak Light, Yellow Strong Light, Yellow Weak Light, Red Light, Red Flash, and Long Press Ultra Strong Light.

Image: The flashlight's 'COB LIGHT SOURCE' providing 'WHITE, YELLOW AND RED LARGE AREA LAMP BEAD BOARD WIDER LIGHTING AREA'. A warning is included: 'TOO BRIGHT! DO NOT SHINE LIGHT DIRECTLY ON YOUR EYES!'.
3.2 Special Features
- Bottle Opener: The flashlight features an integrated bottle opener for convenience.
- Strong Magnetic Base: The powerful magnet on the back allows you to attach the flashlight to metal surfaces for hands-free illumination.
- Folding Bracket: A 180-degree adjustable folding bracket allows the flashlight to be used as a stable work light on flat surfaces.
- Survival Whistle: In emergency situations, use the built-in whistle to signal for help.
- Cigarette Lighter: The device includes a hidden electric cigarette lighter function.

Image: An overview of the flashlight's key features: Type-C charging, bottle opener, strong magnetic base, and survival sentry (whistle).

Image: The flashlight being used as a 'BOTTLE OPENER', demonstrating its functionality.

Image: The flashlight's 'STRONG MAGNETIC' base, allowing for hands-free use.

Image: The flashlight with its 'FOLDING BRACKET' extended, demonstrating its use as a work light with '180° ANGLE ADJUSTMENT'.

Image: A person using the 'SURVIVAL SENTRY' whistle feature of the flashlight, with text indicating its use for rescue in case of danger.

Image: The flashlight highlighting its 'CAMPING LANTERN' features, including cigarette lighter, survival whistle, white/yellow/red COB lamp, strong magnetic adsorption, and Type-C charging.
3.3 Video Demonstration
Video: This demonstration showcases the various functions of the ESMARTER W5144 flashlight, including its magnetic base, folding bracket, bottle opener, and the integrated cigarette lighter feature.
4. Maintenance
- Keep the flashlight clean and dry. Wipe with a soft, damp cloth if necessary.
- Avoid dropping the device or subjecting it to strong impacts to prevent damage.
- To maintain battery health, charge the flashlight regularly, even if it's not in frequent use.
- Do not attempt to disassemble the device, as this may void any potential warranty and cause damage.
- Ensure the Type-C charging port cover is securely closed when not charging to maintain its 'Life Waterproof' rating.

Image: The flashlight demonstrating its 'LIVING WATERPROOF' capability, indicating it has 'NO FEAR OF WIND AND RAIN MICROWAVE STAMPING DEPTH WATERPROOF'.
5. Troubleshooting
- Light not turning on: Ensure the battery is charged. If fully charged, try pressing the power button firmly.
- Charging issues: Check that the Type-C cable is properly connected and undamaged. Verify the power adapter is working. Ensure the charging port is clean and free of debris.
- Weak light output: This typically indicates a low battery. Recharge the device fully.
- Whistle not working: Ensure there are no obstructions in the whistle opening.
6. Specifications

Image: Detailed parameter table for the multifunctional portable lamp.
| Feature | Detail |
|---|---|
| Name | Multifunctional Portable Lamp |
| Model Number | W5144 |
| Light Color | White, Yellow, and Red large area natural light |
| Wick | White, Yellow, and Red COB highlight wick |
| Brightness | 500lm |
| Power Supply | Built-in polymer lithium battery (500 mA) |
| Charging | Type-C fast charging interface (Rechargeable) |
| Endurance | 5-50 hours (Standby for 90 days) |
| Waterproof | Life waterproof |
| Weight | About 44g |
| Material | Aluminum alloy + PC (Body Material: ABS) |
| Additional Functions | Back bracket, bottle opener, key hole, intelligent electric display, survival whistle, cigarette lighter |
| Gear/Switch Mode | White Strong Light, White Weak Light, Yellow Strong Light, Yellow Weak Light, Red Light, Red Flash, Long Press Ultra Strong Light (5-8 Files) |
| Lighting Distance | 100-200 m |
| Wattage | 10W |
| Certification | CE, ROHS |
| Color | Black |
| Zoom | No |
| Item Type | FLASHLIGHTS |
| Origin | Mainland China |
| Flashlight Type | Fishing Hiking Camping Tent Emergency Flashlight Lamp |
| Is Batteries Included | Yes |
| Focal Length | Non-adjustable |
| Function | Shock Resistant, Hard Light |

Image: The internal 'LITHIUM POLYMER' battery, highlighting 'BUILT IN POLYMER LITHIUM BATTERY LONG ENDURANCE' and '500mAh HIGH PERFORMANCE LITHIUM BATTERY LONG ENDURANCE STANDBY FOR 90 DAYS'.

Image: The flashlight held in hand, emphasizing its 'MINI PORTABLE' nature with 'SMALL SIZE, SLIM BODY, EASY TO CARRY' and a '44G PRODUCT WEIGHT'.
7. User Tips
- For optimal hands-free use, utilize the strong magnetic base to attach the flashlight to metal surfaces, or deploy the folding bracket to position it as a work light.
- Remember to use the survival whistle in emergency situations to attract attention.
- The compact size and hook lock design make it easy to attach to keychains, backpacks, or belts for quick access.

Image: The flashlight with its red light mode active, attached to a backpack, demonstrating its portability and visibility for outdoor use.
8. Warranty and Support
For any product-related inquiries, technical support, or warranty claims, please contact the seller directly through your purchase platform. Please retain your proof of purchase for any warranty services.
A detailed user manual in PDF format is available for download: User Manual (PDF)





