The first picture is a product picture, the other pictures are sample displays Style Q3 [Easy to use] Four modes of front light: high, medium and low flashing, 6 modes of tail light, high, medium and low flashing, fast flashing and warning flashing Just press the button to switch the mode, double-click to enter the strobe mode, long press for about 1 second to close. You can use it in various weather conditions. In places where you need to leave for a long distance, or during daytime/twilight, you should choose a brighter light. [Long battery life]: Two bicycle lights can be used for 3-12 hours (depending on different modes), and it only takes 1 hour to fully charge. It is very suitable for urban roads and highway riding, and the visibility of other riders and vehicles. When you go to the pulse, the flashing light option can extend battery life and appropriately attract others who use the path. [Lightweight] Both bicycle lights are roughly the same size as a flat golf ball, and each weighs only 22 grams. You will forget them in your pocket. [Advanced design]: The bicycle light adopts a new design without chrome-plated ring. You don\'t need to waste glue to prevent the decorative ring from falling off or disappearing. The design of the light backrest is more suitable for handlebars, seatposts, seat stands, child trailers and backpacks of various sizes. [Safe installation] The bicycle light is equipped with a newly designed rubber band, which is thicker than others, and has a smaller hole than others. There are more pins on the rubber band and more compact installation options. Can be easily clamped and firmly fixed. Don\'t worry about bicycle lights falling in collision. 【Durable IPX5 Waterproof】Combined with advanced IPX5 waterproof and dustproof technology, it is suitable for all kinds of weather conditions. The USB interface is covered with waterproof and dustproof silica gel, so it can better charge the bicycle light and effectively extend its service life. K1 Product Details--Headlight Material:Aluminum Alloy Mode:2 Modes Waterproof Level:IPX4 Lumen:1200 Lumens Range:200m Battery:5800mAh Size: 100*50*29mm Weight: 190g Surface Craft: Abrasion resistant anodizing Features: 1.Waterproof,Rainproof.Do not soak the bike light into water. 2.Durable,Anti-Fall and Long Range 3.Built-in battery,USB Charging,Large Capacity Battery 4.Easy to install,non-slip Notes: 1.Please use the charging cable included in the package to charge,otherwise it may cause damage to lights. 2.It is better to use mobile phone charge head and thecharging cable included in the package to charge. 3.There has two different specifications:Only bike front light and bike light with taillight. If you have needs for tail tilght,please order the bike light with tail light.