User manual Philips Wake-up Light HF3471 (English - 120 pages)
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Philips Wake up Light HF3470 Review - GV Review
Philips Wake-up Light HF3470 user manual (English - 140 pages)
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Philips Wake Up Light - Light Alarm Clock with SmartSleep Technology, 5 Natural Alarm Sounds, Coloured Sunrise Simulation, FM Radio and Reading Lamp (Model HF3519/01) : Amazon.co.uk: Lighting