Features: 1. The seven-color switching remote control has a brighter battery life and more car atmosphere white light/red light/green light/blue light/yellow light/purple light/ice blue. 2. Various installation methods, rubber band binding, and pasting. 3. Use high-quality high-brightness multi-color lamp core, high-brightness lamp beads enhance the safety of driving warning and are not afraid of rear-end collision. 4. USB rechargeable battery has a long service life. USB interface, computer, charger, and charging bank can be charged. Specifications: Product Name: Rechargeable Seven-Color Flash Lamp Internal battery: 3.7V 350mah Charging current: 5V/1A Charging interface: Type-c Charging time: approximately 90 minutes Product Color: White/Red/Green/Blue/Yellow/Purple/Sky Blue Setting Mode: Fast Strobe Light, Slow Strobe Light Product size:48*34.3*18.4mm Usage time: About 3.5 hours when flashing Package includes: 1/2/4PCS Flash Lamp 1x Remote control 1x Charging cable 1x Velcro 1x Rubber band 1x Manual