It uses high-quality, high-brightness, multi-color lamp cores, with white light, red light, green light, etc. Each type of light has a good effect Universal flashing light is widely used to improve the night warning effect and signal tracking 2.4G wireless remote control makes remote control more convenient Deep waterproof, no fear of rainy days, the flashing light is deeply waterproof and can be used in rainy days Seven kinds of lights with multiple modes Built-in battery: 3.7V 350MAH Charging port: Micro-USB Light color: white, red, green, blue, yellow, purple, sky blue Usage time: about 3.5 hours when flashing Product charging: 5V 1A Charging time: about 90 minutes Material: ABS Color: As shown Package Contents: 4 x Strobe Light 1 x Remote Control 4 x Nylon Buckle 1 x Charging Cable 10 x Rubber Bands 1 x English Instruction Manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.