SFH 7770 - 

Ambient Light and Proximity Sensor SFH 7770
The SFH 7770 series, from Osram Opto Semiconductors, are a two-in-one digital solution, these compact surface mount devices are designed for the simultaneous detection of ambient light and the proximity of reflecting objects; and through the use of 2 or 3 IR LEDs instead of one, it is even possible to detect gestures. Applications include: mobile phones, PDAs, notebooks, cameras and other consumer products.