IR Proximity sensor difference SEN0381 and SEN0239

Hi guys, I'm wondering what's the difference between 

1 https://wiki.dfrobot.com/Digital_IR_Proximity_Sensor_0_200cm_SKU_SEN0381

2 https://wiki.dfrobot.com/Gravity_Digital_Adjustable_Infrared_Proximity_Sensor_SKU_SEN0239

Is there a detection angle in (2) ? 

Thank you