Philips InfraCare infrared lamp HP3641/01, Infrared, 500 h, 600 x 400 mm, 650 W, 5.5 kg Philips InfraCare infrared lamp HP3641/01. Therapy method: Infrared, Service life of lamp: 500 h, Treatment area: 600 x 400 mm. Bulb power: 650 W. Weight: 5.5 kg