LED Red Blue Shoulder Tactical Police Flashlight with Clip USB Rechargeable Torch Bike Taillight Helmet Warn Light Description: Specifications: Product: remote steering tail light of bicycle Color: red and blue Battery capacity: 450mAh Control mode: key control Charging time: 3-4 hours Working time: ≥11 hours Operating temperature:-20 C- 60 C. Charging method: USB charging Product dimensions: 8CM*3.3CM*2.6CM Operating instructions(You can observe the video specifically): 01. Press and hold the function key for 3 seconds to turn on the unilateral flashing mode. 02. Press the button again to turn on the flashing mode on the other side. 03. Press the button again to turn on the bilateral flashing mode. 04. Press the button again to turn on the flashlight mode. 05. Press and hold the function key for 3 seconds to turn off the shoulder light, or click once to jump to the first step to cycle again. Specifications: 1. [100% brand-new quality] manufacturer, three quality inspections, 100% brand-new quality. 2. [Red and blue shell] The red and blue shell is very cool, with multiple lighting modes. 3. [USB charging] USB charging, convenient and fast, 450mA battery, lasting battery life. 4. [Simple operation] One-key operation is convenient and quick. 5. [Stainless steel back clip] Stainless steel back clip is not easy to rust and easy to install. Package Included: 1* warning light 1* charging cable 1* instructions