The controller will support motion detection via a three-axis gyroscope and three-axis accelerometer and vibration.
It will include a non-removable, rechargeable 3.7 V lithium-ion battery tentatively capable of storing 1000 mAh. The tentative design weighs 210 g (7.4 oz) and has dimensions of 162 × 52 × 98 mm (6.4 × 2.0 × 3.9 in).
The top of the gamepad features a light bar with three LEDs that illuminate in different colors, which can be used to identify players by matching the colors of the characters they are controlling in a game, or to provide enhanced feedback or immersion by changing patterns or colors in reaction to gameplay. It is also used in conjunction with the PlayStation Camera to judge the positions and movements of multiple players.
You guys can take a look at the Full Teadown of DualShock 4 Controller at the link below, it showcase everything you need to know about DualShock 4.
PS4's DualShock 4 Controller Teardown - Imgur