Features: 1.The unique waterproof design prevents the taillights from being damaged due to weather such as rain, which can let you use as need. 2.There are three modes for you to choose: constant light mode, flashing mode, warning mode, and support one?key switching. 3.Can be used for off?road ATVs, motorcycles, bicycles, which can meet your various needs. 4.After exquisite craftsmanship and professional processing, this flash taillight has good performance and can well meet your needs. 5.The front USB interface design is very convenient for you to charge, and it is also very convenient for your use. Specification: Item Type: Tail Light Material: ABS Charging Voltage: 3.7V Working Voltage: 2.6-4.2V Working Current: 30mA Working Temperature Range: -20-+55 Waterproof Rating: IP67 Applicable Models: Suitable for Cross-Country ATV Motorcycle Bike Helmet