1/2pcs Mini Thin Flashlight Tactical Police Shoulder Light USB Type-C Rechargeable Bicycle Taillight Helmet Lamp Keychain Light Description: 【Product name】Bicycle warning light 【Material】LED, plastic, electronic components [Light source] white light \ red light \ blue light, SMD LED (standard version 10 beads, preferred 18 beads) [Mode] 5 lighting modes: red/blue flashing, white main light always on (strong light - weak light), white auxiliary light always on (strong light - weak light) 【Use】safety warning/close-range lighting [Control] switch, manual control (no intelligent mode) 【Battery】Li-polymer 450mAh; battery life about 6-10 hours 【Charging】Type-C charging port, 5V 0.5A charging time is about 3 hours [suitable for] the diameter of the round tube is 20-32mm; the hanging ear (width*thickness) does not exceed 35*2mm [Installation] Seatpost, front handle, front and rear fork tubes, belt, backpack with hanging ears, helmet, etc. Specifications: Easy installation type-c charging Life waterproof Small and convenient Package Included: 1*Charging cable 1* strap 1*Bracket 1*Car lights