Built-in Battery:3.7V 350MAH Charging Interface:Micro-USB Charging Time:About 90 Minutes Light Color:White, Red, Green, Blue, Yellow, Purple, Sky Blue Usage Time:About 3.5 hours when flashing Setting Mode:Fast Strobe Light, Slow Strobe Light Product Charging:5V 1A Application:Motorcycle, Bicycle, Aircraft, Drone, Car, Helicopters,Fixed-wing, Scooter, Electric Vehicle, ect. Quantity:4Pcs/2Pcs Colour: parent Material:plasticandelectronic component Size:48x34.3x18.4mm Package Contents: 4 x Strobe Lights 1 x Remote Control 1 x 4 port USB Charging Cables 4 x Rubber Bands(the color is random, do not accept specified) 4 x Magic Stickers(the color is random, do not accept specified) / 2 x Strobe Lights 1 x Remote Control 1 x USB Charging Cables 4 x Rubber Bands(the color is random, do not accept specified) 2 x Magic Stickers(the color is random, do not accept specified) 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.