Q5 Tail Light Brake sensor USB 24.7.27-wdl it automatically turns off after

it automatically turns off after 30 seconds of inactivity

lightweight profile fits easily into a jersey pocket

Q1: How fast can this pump inflate a tire

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Q5 Tail Light Brake sensor USB 24.7.27-wdl it automatically turns off afterFeature Details Lamp Beads COB LED Battery 3. 7V 400 mAh Visible Distance 150 meters Brightness 50 lumens (Ultra Bright) Charging Time 3 4 hours Water Resistance IPX6 (Waterproof) Material Aluminum Alloy & Plastic Weight 53g Mounting Type Seat Mount Settings 4 Modes Dimensions 1. 34" x 1. 34" x 1. 34" [High Intensity LED & Brake Sensing Advancement] Illuminate your surroundings with our rear bike light's high lumen COB LED. featuring smart sensor