On Off Advanced settings Ambient display Tilt sensor Proximity sensor Hand wave Pulse notifications on hand wave Pick-up Pulse notifications on pick-up Pocket Pulse notifications on removal from pocket Proximity wake Wake device on hand wave OK Help These features use sensor events to launch a doze notification pulse. The chosen sensor is only enabled when the device receives a notification, this helps to reduce battery usage. There is also an option to enable the chosen sensor as soon as the screen turns off, this will cause higher battery usage.