If short grey days are making you SAD this two-in-one light therapy and desk lamp with three colour temperature options is a perfect pick-me-up.

If you suffer from SAD (Seasonal Affective Disorder) there are a number of things you can do to help improve your SAD symptoms like trying to get as much natural sunlight as possible. If this is not possible you can use a SAD therapy lamp. 

Some people with SAD find that light therapy can help improve their mood considerably. SAD therapy lamps like the Daylight TriSun produce a very bright light. This light simulates the sunlight that's missing during the darker winter months.

It's thought the light may improve SAD by encouraging your brain to reduce the production of melatonin (a hormone that makes you sleepy) and increase the production of serotonin (a hormone that affects your mood).

The Daylight TriSun is a versatile lamp that can be used as a SAD therapy lamp and as a standard desk lamp.

To use the TriSun as a SAD light simply raise the shade to its full extent and position it to your side at arm’s length with the shade – at full brightness – directed towards you. Do not stare into the light it is sufficient that the light reaches your eyes indirectly. In light therapy mode the lamp will automatically shut off after 30 minutes.

The TriSun is not only intended as light therapy for SAD it’s also a great task light. With a CRI (Colour Rendering Index) of over 95 and a large 16.5cm diameter shade you can be sure of an exceptional light quality and shadow-free evenly diffused light.

Choose from Daylight 6 000K Cool light 4 000K and Warm light 2 700K in both the light therapy and desk mode. This highly functional lamp can be customised to your needs; simply adjust the brightness level to your liking using the tactile dimmer switch move the arm and shade into the perfect position and charge your phone whenever needed using the built-in USB port.

For more details about this product – including instructions on using this lamp for SAD – check the product instructions manual (in the User Guides tab) to help you decide if this product is suitable for you.


  • SAD light and desk lamp with three colour temperature options.
  • Tested to Medical Safety Standard EN/IEC 60601-1.
  • Effortlessly alternate between light therapy mode and desk lamp mode.
  • Choice of Daylight 6 000K Cool light 4 000K and Warm light 2 700K in both modes.
  • Light therapy mode: 10 000 lux at 16cm with automatic 30-minute off timer.
  • Easily adjust the brightness level with the tactile dimmer switch.
  • Built-in USB A port for convenient charging of your device.
  • Large 16.5cm diameter shade enables exceptional illumination and spread of light.
  • Adjustable arm and shade for perfect positioning
  • 95+ CRI provides optimum light therapy and ensures accurate colour matching.
  • Product colour: Black/silver.
  • Height: 37cm (14.6 inches) in desk lamp mode; 54cm (21 inches) fully extended for therapy mode.
  • Base: 18cm diameter (7 inches).
  • Cable length: 1.5m (4.92 feet).
  • Weight: 1.4kg (3.09lbs).
  • Bulb lifespan: Up to 50 000 hours.
  • Daylight product code: D36401.

Light output

  • Light source: LED.
  • Lumens: 1 000.
  • Lux: 10 000 at 16cm; 5 000 at 24cm; 2 500 at 36cm.
  • Colour temperature: 6 000K / 4 000K / 2 700K.
  • CRI: 95+.
  • Power consumption: 14W.


  • Before using the lamp we advise seeking advice from your doctor if any of the following apply to you:
    • You have been advised to avoid bright light because of a particular medical condition.
    • You are taking medication that may cause photosensitivity.
    • You have had recent eye surgery or have had previous eye problems.
    • You have been diagnosed with a mood disorder depression or sleep problems.
  • Take particular care if you have been prescribed any medication for any of the above as light therapy can also affect your mood and affect how your medication works.

Why are Daylight™ products so good for you?

  • Comfort: With full spectrum Daylight™ technology your eyes will still be fresh at the end of the day! Reducing eye strain avoids headaches and red eyes.
  • Vison: Daylight™ reading lamps have a colour temperature that maximises contrast and clarity with minimal glare these features are vital for people with low vision.
  • Low heat: Even if you touch the shade or bulb of this lamp by accident you will be safe. Daylight™ products use low-heat technology for ultimate comfort and safety.
  • Energy saving: Daylight™ lamps use 80 per cent less energy and have a light source that will last at least 10 times longer than bulbs in standard lamps.
  • Ease of use: Daylight™ products are ergonomically designed so they can be effortlessly positioned exactly where light is needed. Function is simple with tactile and easily recognisable switches and buttons.


  • Please retain packaging until you're sure you'd like to keep the product. This product is returnable within 14 days from purchase date.
  • Please note there are no tactile markings to locate the brightness and colour buttons.
  • Position the light to your side with the shade directed towards you.
  • Be sure to keep your eyes open as the treatment will not work on closed eyes.
  • Do not stare into the light.
  • Light therapy is at its most effective when used first thing in the morning.
  • Avoid using your lamp in light therapy mode in the evening as you may have difficulty falling asleep.
  • Your doctor can help you find the most beneficial light therapy schedule for you.

Two-year manufacturer’s warranty.

Barcode: DH477

Unit of sale
In stock

You might also like

Terms and conditions agreement

Please read our Terms and Conditions & Privacy Policy.*