The Swift 300 gives you more than enough lumens at our lightest weight for headlights (82 grams). NiteRider makes this headlight USB rechargeable for convenient on-the-go charging. The NiteRider Sabre 110 is a super bright, lightweight USB rechargeable LED tail light. It utilizes a multi LED array designed for eye-catching visibility both day and night. Swift Features - Lumen Output: 300 - 5 Modes with Run Times: 2:00 – 28:00hrs - Charge Time: 2:00 / 3:15hrs - Weight: 82g - Battery: Li-Po - Low Battery Indicator - 300 lumen super compact - Water / Dust Resistant IP64 Rated Swift Run Times - Low—15:00h at 80 Lumens - Med—9:00h at 150 Lumens - High—2:00h at 300 Lumens - Flash—12:00h at 300 Lumens - Walk—28:00h at 20 Lumens Sabre Features - Lumen Output: 110 - 6 Modes with Run Times: 1:30 – 10:30hrs - Charge Time: 1:30hrs - Weight: 28g - Battery: Li-Po - Low Battery Indicator - 110 Lumen Super Lightweight Daylight Visible taillight Sabre Run Times - Pulse Flash—7:00h - Flash—6:00h - Fast Flash—17:00h - Steady High—1:45h - Steady Med—4:00h - Steady Low—8:30h