Description: BATTERY: Our battery is a 2000 mA large capacity battery, its battery life can reach the super-long battery life of 20 hours long and 45 hours slow. INDICATOR LIGHT: There are different indicator lights for fully charged and charging. REMOTE CONTROL: There are three remote controllers, the main remote controller and two sub-remote controllers. The sub-remote controllers respectively control the blinking of the left and right turn signals, thus solving the risk of pressing the wrong button, and facilitating the operation and giving instructions faster. LUMINOUS MODES: We have eight luminous modes, which basically meet the flash needs of most people. INSTALLATION MODE: We have two sets of installation bases, one is cushion type and the other is sitting bar type. You can . WATERPROOF: There is no big problem in rainy days for a while. Specification: Color: Black Material: Plastic Flash Mode: 8 kinds Control Mode: Wireless remote control Battery capacity: 2000 mA staying power: Stay on for 20H and flash for 45H Installation Mode: Cushion type and sitting bar type Size Chart: 11.6x3.1cm / 4.57x1.22inch Package Includes: 1 Piece Taillight 1 Piece Main Remote Control 2 Pieces auxiliary remote control 1 Piece instruction manual 2 Pieces installation base 1 Piece installation tool 1 Piece color box Note: 1. When disassembling the taillight battery, first, make sure to see the positive and negative poles of the battery clearly. If the battery is installed , the taillight will be short-circuited and burned. 2. Please allow slightly error due to manual measurement. 3. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 4. Wish you a wonderful on-line shopping!