Features:

2 Super High Efficiency Philips Daylight High Colour Rendering Tubes - 6500k 85 CRI 18W x 2 - Significantly Higher than other Units.
Emits 20,000 Lux at close proximity which is guidline luminosity for noticing results
Stimulates natural daylight and is proven to be extremely effective treatement for SAD (seasonal affective disorder) / winter Blues / Winter Depression
Electric Control allows to be used as emergency light - if switch selected will stay on in the event of mains power failure
Integrated Mains Cable and internal battery pack providing 3 hours remote use.
Carry handle makes this unit extremely portable.
Can be placed on floor with floor stand or wall mounted

Specifications:
Tubes: 2 x 18w 1300 lumens, 72 lpw
Tube Length: 600mm
Operating Time: 1 Tube 3 hours
2 Tube 1.5 hours
Bulb Lifetime: 15,000 hours up to 20,000 hours with 6hr usage instead of 3hrs