Mounts practically anywhere - pant belt loops, weird tube frame shapes, helmet holes, backpacks, D rings, panniers, racks, seat tubes, seat posts, seat stays, handlebars - no need for braze-ons or screws or tools of any kind.
Charge it by plugging into your computer or flat screen tv using the included USB to micro usb cord. If you need a wall charger, you can use most any cellphone wall charger with a micro usb plug.
Finger sized -- 3.25" x 7/8" (82mm x 23mm), only 29 grams
LED Output --50 flashing lumens
Modes and Run Times
-- low flash: 30 hours - low profile, long lasting flash
-- zoom: 6 hours - Alerts with a slow and gradual change in brightness, pulsating
-- steadypulse: 6 hours - steady beam helps motorists gauge their distance while overlapping pulses keeps them alert
-- high flash: 3.5 hours - intense flashes enhance motorist awareness
-- high steady: 1.5 hours - radiates bright and steady for broad coverage
-- group: 100+ hours - long lasting, low profile awareness for when you're riding with a group of other cyclists
Charge Time -- 3 hours.
Internal Lithium-ion battery powered, good for at least 500 charging cycles.
One rubber bungie band included.
NOTE - The bungie band can be easy to lose so if you're taking the blinkie off all the time it's a good idea to stretch the band onto both hooks before you put it in your pocket or bag.