The mini flashlight has a maximum brightness of 400 lumens. You would never expect this little flashlight to be so bright. Instructions for use: Press and hold the switch to activate extremely bright mode, release the switch to turn on the 'turn off. Double-click to turn on the front LED light and click to switch between high, medium and low modes. Turn on the side lights with three consecutive clicks, and switch between purple light, flashing warning and other lighting modes with just one click. [Multifunction]: The tail has a function of Magnetic suction combined with side light warning flash mode, it can be adsorbed on the car roof and other places to become an emergency warning light\/memory mode\/IP65 waterproof. Multifunction. Widely used: suitable for repairers, mechanics, carpenters, DIYers, campers, chefs, portable design is easy to carry and is a mini tool for daily use. Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be color differences, please refer to the actual item received.