Controlling your bike & Edge have never been so easy thanks to this rugged, compact & lightweight remote control from Garmin. Epitomising convenience, the Garmin Edge e Bike Remote lets you easily change the assistance level of your bike or scroll through screens on your Edge computer. & no cables are required thanks to the ANT+ connectivity. The battery is a replacable CR2032 battery that will last a year, so you havent got to worry about charging it up. It also features a sleep mode to prolong battery life even further. The central LED indicates battery level for both your remote & your bike as well as showing operational status.