Lanlelin K91C4530H10D0V1H1
Lanlelin Rechargeable Headlamp User Manual
Model: K91C4530H10D0V1H1
Introduction
Thank you for choosing the Lanlelin Rechargeable Headlamp. This versatile and lightweight headlamp is designed for various activities, offering bright illumination and multiple wearing options. With its durable construction and long-lasting battery, it is an ideal companion for outdoor adventures, work, and everyday use. Please read this manual carefully to ensure proper use and maintenance of your device.

Image: The Lanlelin Rechargeable Headlamp package contents and various usage scenarios.
Product Features
- Bright Illumination: Equipped with 300 lumen LEDs for wide-range illumination.
- Portable Magnetic Design: Features a magnetic base for attachment to metallic surfaces.
- Multiple Light Modes: Offers 3 distinct lighting modes: XPE 100% brightness, COB 100% brightness, and COB flashing red light.
- USB Rechargeable: Built-in 800mAh battery, easily rechargeable via USB.
- 90° Tilt Flashlight: The light unit can be tilted up to 90 degrees for adjustable beam direction.
- Detachable Base: 2-in-1 design allows detachment from the head strap for use as a handheld flashlight.
- IPX3 Waterproof: Designed to withstand light rain and splashes.
- Lightweight and Comfortable: Weighs only 0.13lb, with an adjustable elastic headband for comfortable fit.

Image: Key functional components of the headlamp.
Setup
1. Initial Charge
Before first use, fully charge the headlamp. Connect the provided USB cable to the headlamp's USB charging port and to a standard USB power source (e.g., AC charger, power bank, computer USB port). The charging indicator light will show the charging status. A full charge typically takes a few hours and provides 3-6 hours of operation depending on the mode.

Image: Charging options for the headlamp.
2. Adjusting the Headband
The elastic headband is adjustable to fit various head sizes, for both adults and children. Slide the buckles on the headband to achieve a comfortable and secure fit. Ensure the headlamp unit is centered on your forehead.
Operating Instructions
1. Power On/Off and Mode Selection
Locate the power switch button on the headlamp unit. Press the button to cycle through the different lighting modes:
- First Press: Activates XPE 100% brightness mode (spotlight).
- Second Press: Activates COB 100% brightness mode (wide floodlight).
- Third Press: Activates COB flashing red light mode (warning/signal light).
- Fourth Press: Turns the headlamp off.

Image: Demonstration of the three available lighting modes.
2. Adjusting Beam Angle
The headlamp unit can be rotated up to 90 degrees to direct the light beam precisely where needed. Gently pivot the light unit to adjust its angle.

Image: Adjusting the headlamp's beam angle.
3. Detachable and Multifunctional Use
The headlamp body can be detached from the head strap and mounting bracket, transforming it into a versatile handheld flashlight or for other applications:
- Handheld Flashlight: Simply remove the light unit from the strap for use as a compact flashlight.
- Wrist/Ankle Light: Use the included additional straps to wear the light on your wrist or ankle for specific activities like running or cycling.
- Magnetic Attachment: The headlamp features a magnetic base, allowing it to be securely attached to metal surfaces for hands-free illumination in workshops or during repairs.
- Pocket/Collar Clip: A built-in clip allows you to attach the light to your pocket, collar, or other clothing for convenient, hands-free lighting.

Image: Instructions for converting the headlamp to wrist/ankle light or flashlight mode.

Image: Diverse applications of the Lanlelin Headlamp.
Maintenance
1. Cleaning
To clean the headlamp, wipe it with a soft, damp cloth. Do not use abrasive cleaners or solvents, as these can damage the surface and internal components. Ensure the USB charging port cover is securely closed before cleaning or exposing to moisture.
2. Storage
Store the headlamp in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, charge the battery every 3-6 months to maintain its lifespan.
3. Battery Care
The headlamp contains a built-in rechargeable 800mAh battery. For optimal battery life, avoid completely draining the battery before recharging. Always use the provided USB cable for charging.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlamp does not turn on. | Battery is depleted. | Charge the headlamp fully using the provided USB cable. |
| Light is dim or flickers. | Low battery level. | Recharge the headlamp. |
| Headlamp not charging. | Loose cable connection; faulty USB cable/adapter. | Ensure the USB cable is securely connected. Try a different USB port or adapter. |
| Buttons are hard to press or unresponsive. | Debris or dirt around buttons; internal malfunction. | Clean around the buttons. If problem persists, contact customer support. |
If you encounter issues not listed here or if the problem persists after attempting the solutions, please contact Lanlelin customer support.
Specifications
- Model: K91C4530H10D0V1H1
- Light Source: XPE LED, COB LED
- Brightness: 300 Lumens
- Battery: Built-in 800mAh Lithium
- Charging Time: Approximately 2-3 hours
- Operating Time: 3-6 hours (depending on mode)
- Waterproof Rating: IPX3
- Material: ABS
- Product Dimensions: 9 x 4 x 3 cm
- Weight: 0.13 lb (approx. 60g)
- Special Features: Adjustable Light Modes, Detachable, Multi-purpose, Portable, Rechargeable, Magnetic Attachment
Warranty & Support
Lanlelin products are designed for durability and performance. For warranty information and customer support, please refer to the warranty card included with your purchase or visit the official Lanlelin website. Please have your model number (K91C4530H10D0V1H1) and purchase date ready when contacting support.
For further assistance, you may also refer to the seller's information on the platform where the product was purchased. The seller for this product is lanham.
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