Description
Professional Handheld 308nm UVB Phototherapy for Localised Skin Conditions
The UVB Ultraviolet Lamp Handheld 308nm Light Therapy KN-4003B2 is an advanced portable phototherapy device developed to deliver targeted 308nm narrowband UVB light to small, localised areas of the skin. Designed with modern SMD LED technology, it offers exceptional stability, a significantly longer lifespan than traditional UV bulbs, and precise treatment for difficult-to-reach areas.
Its ergonomic, lightweight design makes it particularly suitable for home use under medical supervision as well as dermatology clinics and aesthetic practices. The rechargeable lithium-ion battery and Mini USB charging provide excellent portability, allowing treatments wherever they are needed.
Why Choose the KN-4003B2 UVB Phototherapy Device?
The KN-4003B2 combines professional phototherapy technology with convenient handheld operation for precise treatment of localised skin concerns.
Key Benefits
- Advanced 308nm narrowband UVB SMD LED technology
- Long-lasting LED light source (3–5 times longer life than conventional UV bulbs)
- Compact, lightweight handheld design
- Excellent targeting for small treatment areas
- Helps minimise UV exposure to surrounding healthy skin
- Rechargeable lithium-ion battery
- Convenient Mini USB charging
- Time-controlled treatment mode
- Stable UV output
- No bulb warm-up required
- Quiet operation
- Ideal for home or professional use under medical guidance
- Easy to operate and travel-friendly
Advanced 308nm SMD UVB LED Technology
Unlike traditional UV lamps that use fluorescent bulbs, the KN-4003B2 features Surface Mount Device (SMD) UVB LEDs, offering:
- Greater stability
- Longer operating life
- Consistent light output
- Reduced maintenance
- Improved energy efficiency
The focused 308nm wavelength is commonly used by dermatologists as part of medically supervised treatment plans for selected skin disorders.
Precision Targeted Irradiation
The compact treatment head delivers highly focused UVB light directly to affected skin, making it suitable for treating:
- Face
- Hands
- Fingers
- Elbows
- Knees
- Feet
- Hairline
- Small patches of affected skin
Targeted treatment helps reduce unnecessary exposure of surrounding healthy skin.
Common Clinical Applications
Under the supervision of a qualified healthcare professional, the KN-4003B2 may be used as part of treatment protocols for:
- Vitiligo
- Psoriasis
- Eczema (Atopic Dermatitis)
- Pityriasis Rosea
Suitability for treatment should always be determined by a dermatologist or qualified healthcare provider.
Time-Controlled Treatment Mode
The built-in timer allows users to accurately control exposure duration according to prescribed treatment protocols.
Benefits include:
- Improved treatment consistency
- Better dose control
- Greater safety
- Easy operation for home users
Portable Rechargeable Design
The KN-4003B2 has been designed for convenience and mobility.
Features include:
- Built-in rechargeable lithium-ion battery
- Replaceable battery system
- Mini USB charging
- USB charging via computer or USB adapter
- Lightweight ergonomic housing
- Ideal for travel and home treatments
Safe & Comfortable to Use
The compact design makes the device especially suitable for treating delicate and smaller body areas. According to the manufacturer, it is designed for precise treatment around the eye area when appropriate eye protection is used and under professional guidance. Protective UV eyewear should always be worn during treatment.
How to Use
- Fully charge the device before first use.
- Wear approved UV protective eyewear.
- Clean the treatment area.
- Position the treatment head approximately 1 cm from the skin.
- Set the prescribed treatment time.
- Treat only the affected area as instructed by your healthcare professional.
- Allow the skin to rest between treatments according to your treatment schedule.
- Clean the device after use and store safely.
Important: This device emits ultraviolet radiation and should only be used under the guidance of a qualified healthcare professional. Overexposure may result in skin injury.
Specifications
Model: KN-4003B2
Technology: 308nm Narrowband UVB LED Phototherapy
Light Source: 9 Single-Chip SMD UVB LEDs
Peak Wavelength: 308nm UVB
Output Intensity: Approximately 8.5–12 mW/cm² (depending on specification version)
Treatment Mode: Time Mode
Working Distance: 1 cm ±0.5 cm
Maximum Treatment Time: 30 minutes
Maximum Treatment Dose: 5 J/cm²
Battery: Replaceable 18650 Lithium-Ion Battery
Battery Capacity: 3.7V 2250mAh
Charging: Mini USB
Display: OLED
Suitable For:
- Home Use (under medical supervision)
- Dermatology Clinics
- Medical Practices
- Professional Skin Clinics
Indications:
- Vitiligo
- Psoriasis
- Eczema
- Pityriasis Rosea
Certifications:
- CFDA
- ISO 13485
OEM: Available
Package Includes
- KN-4003B2 UVB Phototherapy Device
- Rechargeable Lithium-Ion Battery
- USB Charging Cable
- User Manual
Why Buy From Derma Roller Systems SA?
Derma Roller Systems SA supplies professional aesthetic and wellness devices selected for quality, performance, and reliability. We partner with trusted manufacturers to provide innovative technology for dermatology professionals, clinics, and medically supervised home users seeking advanced skin treatment solutions.
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