JEWHITENY M4
JEWHITENY 120W UV LED Nail Lamp Instruction Manual
Model: M4
Brand: JEWHITENY
1. Introduction
Thank you for choosing the JEWHITENY 120W UV LED Nail Lamp. This professional-grade nail dryer is designed to efficiently cure all types of gel nail polish, including UV gel, LED gel, builder gel, acrylic gel, and magnetic gel. With its powerful 120W output, smart sensor, and versatile timer settings, you can achieve salon-quality manicures and pedicures from the comfort of your home or in a professional setting.
This manual provides detailed instructions for the safe and effective use of your new nail lamp. Please read it thoroughly before operation and keep it for future reference.
2. Safety Information
- Always unplug the device from the power outlet when not in use or before cleaning.
- Do not expose the lamp to water or moisture. Avoid using it in damp environments.
- Keep out of reach of children. This device is intended for adult use.
- Do not look directly into the UV/LED light. Prolonged exposure may cause eye strain.
- Ensure proper ventilation during use.
- Do not attempt to disassemble or repair the unit yourself. Refer to qualified service personnel.
- Avoid placing the lamp on unstable surfaces where it could fall.
3. Product Overview
The JEWHITENY 120W UV LED Nail Lamp features a spacious design capable of accommodating both hands or feet simultaneously, significantly reducing curing time. It is equipped with 54 strategically placed LED beads for even and efficient curing.

Figure 3.1: JEWHITENY 120W UV LED Nail Lamp in operation.
Key Features:
- 120W High Power: Ensures faster and more efficient gel curing.
- Dual Hand/Foot Capacity: Large interior space for simultaneous curing.
- 54 LED Beads: Even light distribution for consistent curing.
- Smart Infrared Sensor: Automatic activation when hands/feet are inserted.
- 4 Timer Settings: 10s, 30s, 60s, and 99s (low heat mode) for various gel types.
- LED Display: Shows remaining curing time.
- Detachable Bottom: Convenient for pedicures and cleaning.

Figure 3.2: Internal LED bead arrangement for optimal curing.
4. Setup
- Unpack: Carefully remove the nail lamp and all accessories from the packaging.
- Inspect: Check the device for any signs of damage. Do not use if damaged.
- Connect Power: Plug the power adapter into the DC input port on the back of the lamp, then plug the adapter into a suitable electrical outlet.
- Placement: Place the nail lamp on a stable, flat, and dry surface.
5. Operating Instructions
The JEWHITENY nail lamp is designed for user-friendly operation, featuring both automatic sensor activation and manual timer controls.
5.1. Automatic Sensor Mode
This mode is ideal for quick and convenient curing. The lamp will automatically turn on when hands or feet are inserted and turn off when removed.

Figure 5.1: Smart sensor activation.
5.2. Manual Timer Settings
For precise curing times, use the touch screen buttons to select your desired duration. The built-in LED display will show the countdown.

Figure 5.2: Available timer settings.
- 10s: Suitable for thin gel polish layers.
- 30s: Recommended for regular color gel polish.
- 60s: Ideal for dark colors or thick gel polish layers.
- 99s (Low Heat Mode): This setting gradually increases power to minimize heat spikes, providing a more comfortable experience for sensitive nails.

Figure 5.3: Interacting with the touch screen controls.
5.3. Curing All Gel Types
This lamp is compatible with a wide range of gel polishes, ensuring versatile use for all your nail art needs.

Figure 5.4: Compatibility with various gel polishes.

Figure 5.5: Suitable for both professional and home use.
6. Maintenance
- Cleaning: Before cleaning, ensure the lamp is unplugged. Wipe the exterior with a soft, dry cloth. For stubborn stains, a slightly damp cloth can be used, followed by immediate drying.
- Avoid Chemicals: Do not use abrasive cleaners, solvents, or harsh chemicals (like acetone) directly on the lamp, especially near the control panel, as this may damage the finish or markings.
- Storage: Store the lamp in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Detachable Bottom: The magnetic detachable bottom can be easily removed for cleaning or for use during pedicures. Clean it separately as needed.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lamp does not turn on. | Power cord not properly connected; Power outlet issue; Device malfunction. | Ensure power cord is securely plugged into both the lamp and the outlet. Try a different outlet. If problem persists, contact customer support. |
| Gel polish is not curing. | Incorrect curing time/mode; Gel polish incompatibility; Too thick a layer of gel. | Increase curing time or switch to a higher power mode (e.g., 60s). Ensure your gel polish is compatible with UV/LED lamps. Apply thinner layers of gel. |
| Smart sensor not working. | Obstruction of sensor; Hands/feet not fully inserted. | Ensure nothing is blocking the sensor area. Fully insert hands/feet into the lamp. |
| Display screen is blank or flickering. | Power fluctuation; Internal issue. | Unplug the lamp, wait 30 seconds, then plug it back in. If the issue continues, contact customer support. |
8. Specifications
- Model: M4
- Wattage: 120W
- Light Source Type: UV/LED
- Number of Light Sources: 54 Pcs LED Beads
- Material: Acrylic
- Color: Gold
- Product Dimensions: Approximately 10.75 x 8.66 x 4.33 inches
- Item Weight: Approximately 1.5 pounds (680 Grams)
- Control Method: Touch, Infrared (Smart Sensor)
- Voltage: 2.4E+2 Volts (AC)
9. Warranty and Support
For warranty information, technical support, or any inquiries regarding your JEWHITENY 120W UV LED Nail Lamp, please refer to the contact details provided on the product packaging or visit the official JEWHITENY website. Please retain your proof of purchase for warranty claims.