Inside the datasheet you can get things such as ambient light, sensitivity, parameter, characteristics parameter, and spectral sensitivity. There are many info about peak sensitivity, emitter, light sensor, and specifications are described in this datasheet.
This datasheet contains things around light, dissipation, temperature range, sensor, and ambient light sensor. The following are grabbed from the datasheet:
TEPT5700 Vishay Semiconductors Ambient Light Sensor, RoHS Compliant FEATURES • Package type: leaded • Package form: T-1¾ • Dimensions (in mm): Ø 5 • High photo sensitivity • Adapted to human eye responsivity • Angle of half sensitivity: ϕ = ± 50° • Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC APPLICATIONS 20118 • Ambient light sensor for control of display backlight dimming in LCD displays and keypad backlighting of mobile devices and in industrial on/off-lighting operation DESCRIPTION TEPT5700 ambient light sensor is a silicon NPN epitaxial planar phototransistor in a T-1¾ package. It is sensitive to visible light much like the human eye and has peak sensitivity at 570 nm.
In addition, the datasheet presents discussion things like range, ambient temperature, ambient, and characteristics.