SKU Milestone Motion Sensor MS-B5 Light Source Main lamp:5W LED x1 (yellow) Side lamp:5mm LED x2 (white) Brightness 220 lumen Power Supply 3A batteris x 3 (Included) Usage Duration Brightest:~3.5 hours 10% brightness:~45 hours Waterproof Level IPX5 Beam Distance 70m Beam Angles 120° Size 6cm x 4.5cm x 3.5cm Weight Battery excluded:41g Battery included:97g Includes Headlamp 3A batteries x 3 Highlights Movement sensor: the lamp will switch on and off automatically when hand moves within 10cm in front of the lamp Option of yellow or white light Yellow light offers better penetration and better visibility under heavy fog when compared to white light; also yellow light is milder and cause less fatigue to eyes under prolonged use. This is especially obvious when used duirng snow Memory function enables you to switch on the lamp with the same brightness as you last switched it off Lock mode prevents accidental activation and conserve battery Transitional brightness control Adjustable tilting angle Waterproof level of IPX5, can be used under the rain Click here to download the user manual