Left function button switches between 2 LED spotlight modes: high and low, Battery Type: Li-thium Polymer 3.7V 300 mAh, Adjustable light angle, Output: up to 230 lumens (LED) and 90 lumens (COB), Bulb Type: 5W LED and 3W COB, Working time: up to 40 minutes (LED); up to 90 minutes (COB), Aluminum and ABS shell with adjustable elastic head strap, Includes a Micro USB charging cable, Approx recharge time: 1.5 hours, Right function button switches between 2 COB floodlight modes: white and red,