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Dimensions
(height x width x depth)
35 x 78 x 66mm (1.38 x 3.07 x 2.6in.) for EU version
50 x 78 x 56mm (1.97 x 3.07 x 2.2in.) for UK version
Weight Approx. 0.10kg (3.5oz.) for EU version (HF12); Approx. 0.12kg
(4.2oz.) for EU version (HF20);
Approx. 0.11kg (3.9oz.) for UK version (HF12); Approx. 0.13kg
(4.6oz.) for UK version (HF20)
Cord length Approx. 150cm (4.9ft)
Main unit
Manufacturer PHILIPS
Type number HF3519; HF3521; HF3531; HF3532
Rated input voltage 24VDC
Rated input current 0.5A
Rated input power 12W
Standby power appliance
(main unit + adapter)
Conditions: night (12h / 0 lux), day (12h / 500lux), all
functions suspended
<0.5W (display at maximum brightness)
<0.25W (display off)
USB charging port
(HF3531/HF3532 only)
5VDC, 0.5A
Light output (level 1 – 20) Approx. 1lux – 300lux at 45cm
(approx. 1lux – 300lux at 17.7in.)
Light color (level 1 – 20) Approx. 1500K – 2800K
FM-radio frequency band (HF3532
does not have a radio)
87.5MHz – 108.0MHz
Safety classification Class III luminaire
Dimensions
(height x width x depth)
Approx. 20 x 20 x 15cm (7.9 x 7.9 x 5.9in.)
Weight Approx. 0.76kg (26.8oz.)
Operating conditions
Temperature 5°C to 35°C (41°F to 95°F)
Relative humidity 20% to 90% (no condensation)
Atmospheric pressure 86kPa to 106kPa