The Baton 3 Pro is the upgraded version of S2R Baton II. It is more powerful with up to 1,500 lumens, an increase of 30% from the S2R Baton II. Compared with the previous proximity sensor, the new and technologically advanced hidden one is designed to increase the flashlight light output during daily use, while automatically reducing the brightness when the sensor detects an obstruction nearby. With two color temperature options, cool white and neutral white, it meets a variety of needs and can tackleany scenarios. The enlarged concave side switch makes it more comfortable to touch and easy to operate. With the customized 18650 3200mAh rechargeable lithium-ion battery, it is fully charged in 3.5 hours using a USB magnetic chargingcable. You can run the Baton 3 Pro for up to incredible 120 days. The included L-shape stand is used to store the flashlight conveniently after use. The widened and lengthened two-way clip is more secure when clipping in the pocket andbackpack.The new body knurling design is more non-slip and comfortable to grip. Fully upgraded, the Baton 3 Pro will bring you a better EDC flashlight experience.