2026 New KTS Handheld 308nm UVB Light Phototherapy Device

Targeted 308nm UVB phototherapy with adjustable dosage

The KTS Handheld 308nm UVB Phototherapy Device delivers targeted 308 +/- 2 nm UVB light through a compact 15 x 15 mm treatment window. With an adjustable dose range of 0.01-5.00 J/cm2, a built-in digital timer, a lightweight handheld design, and included UV-protective goggles, it is designed for convenient at-home phototherapy routines when used under the guidance of a qualified healthcare professional.

• Targeted 308 +/- 2 nm UVB output
• Adjustable 0.01-5.00 J/cm2 dosage
• Compact 15 x 15 mm treatment area
• Built-in digital timer for controlled sessions
• Lightweight handheld design at 0.2 kg or less
• UV-protective goggles and user manual included

Targeted 308nm UVB Phototherapy at Home

This handheld UVB phototherapy device is designed for focused sessions on small, localized skin areas. Its 15 x 15 mm treatment window helps direct UVB light to a defined area, while the adjustable dosage settings and digital timer support a consistent and controlled routine.

Targeted 308 nm UVB light is used by dermatology professionals for selected localized skin conditions, including vitiligo and psoriasis. Whether UVB phototherapy is appropriate for you depends on your diagnosis, medical history, skin response, medications, and professional treatment plan.

Key Features

308 +/- 2 nm UVB Wavelength

The device provides focused ultraviolet B output with a peak wavelength of 308 +/- 2 nm for targeted phototherapy routines.

Adjustable UVB Dosage

Select a dosage between 0.01 and 5.00 J/cm2 according to the user manual and the instructions provided by your healthcare professional.

15 x 15 mm Treatment Window

The compact treatment window is designed for controlled use on small, localized areas without unnecessarily exposing larger surrounding areas.

Built-In Digital Timer

The integrated timer supports repeatable session timing and helps users follow a consistent phototherapy schedule.

Compact and Lightweight

Measuring 155 x 30 x 24 mm and weighing no more than 0.2 kg, the device is easy to hold, store, and carry.

Multiple Plug Options

Choose from US, UK, EU, AU, and JP plug variants to match your region.

Who Is This Device For?

The KTS handheld 308nm UVB device is intended for people who have been advised to use targeted UVB phototherapy on localized skin areas and want a compact device for an at-home routine.

UVB phototherapy may be recommended by healthcare professionals for selected cases of vitiligo, psoriasis, eczema, or other UV-responsive skin conditions. This device is not intended for self-diagnosis, and suitability should be confirmed before use.

How to Use the Device

1. Read the complete user manual before the first session.
2. Confirm your dosage and treatment schedule with a qualified healthcare professional.
3. Wear the included UV-protective goggles throughout UVB exposure.
4. Set only the recommended dosage and session time.
5. Position the treatment window according to the instructions in the manual.
6. Record each session and monitor your skin response.

Do not increase the dosage or session frequency simply to obtain faster results. Individual responses to UVB phototherapy vary.

Product Specifications

• Peak wavelength: 308 +/- 2 nm
• Dosage range: 0.01-5.00 J/cm2
• Treatment area: 15 x 15 mm
• Input: DC 5V, 1A
• Power frequency: 50/60 Hz
• Dimensions: 155 x 30 x 24 mm
• Weight: 0.2 kg or less
• Plug options: US, UK, EU, AU, and JP
• SKU: LTH-WH-180-US for the US plug variant

What Is Included?

• 1 x KTS handheld 308nm UVB phototherapy device
• 1 x Pre-installed UVB light source
• 1 x Pair of UV-protective goggles
• 1 x User manual
• 1 x Selected regional plug

Important Safety Information

UVB exposure can cause skin burns and eye injury if the device is used incorrectly. Always wear the included protective goggles and follow the dosage, timing, positioning, cleaning, and storage instructions in the user manual.

• Do not use the device without protective goggles.
• Do not guess or independently accelerate the dosage schedule.
• Do not use on undiagnosed lesions, suspicious moles, or broken skin without professional advice.
• Ask a healthcare professional before use if you take medication that increases sensitivity to light.
• Consult a healthcare professional if you have a photosensitivity condition or a history of skin cancer.
• Stop use and seek professional advice if persistent redness, burning, blistering, or another unexpected reaction occurs.
• Keep the device out of reach of children.

Frequently Asked Questions

What wavelength does the KTS handheld UVB device use?

The device has a peak UVB output wavelength of 308 +/- 2 nm.

What is the adjustable dosage range?

The dosage can be adjusted from 0.01 to 5.00 J/cm2. Your starting dose, dosage increases, and session schedule should follow the user manual and professional guidance.

How large is the treatment area?

The treatment window measures 15 x 15 mm, making the device suitable for focused sessions on small, localized areas.

Can the device be used at home?

Its compact handheld design supports an at-home phototherapy routine. Before use, confirm that UVB phototherapy is appropriate for you and follow the instructions provided by your healthcare professional.

What skin conditions is 308nm UVB phototherapy used for?

Dermatology professionals use targeted 308 nm phototherapy for selected localized conditions, including vitiligo and psoriasis. Suitability depends on the diagnosis, treatment area, skin response, medical history, and other therapies.

Is 308nm the same as 311nm narrowband UVB?

No. They are different wavelengths and may be delivered by different types of phototherapy devices. Do not transfer a dosage schedule from one device or wavelength to another without professional guidance.

How long does it take to see results?

There is no guaranteed timeline. Results vary according to the condition, treatment area, skin type, dosage, consistency, and other therapies. Review your progress with a qualified healthcare professional.

Can I use the device with topical or oral medication?

Ask your healthcare professional before combining UVB phototherapy with medication or skincare products. Some products can increase sensitivity to ultraviolet light and may require changes to dosage or timing.

What comes in the package?

The package includes the handheld 308nm UVB device, a pre-installed light source, UV-protective goggles, a user manual, and the selected regional plug.

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This product is not intended to diagnose or guarantee the cure of any medical condition. Individual responses vary. Use the device according to the user manual and the guidance of a qualified healthcare professional.

Page content last updated: July 14, 2026.