Feature:1. Manufacturing Material: Made of high quality PC and ABS materials, long service life, wear resistance and good durability, time saving, labor saving and worry saving.2. Good Performance and Matching Effect: Products have undergone precise testing, so that accessories can achieve better matching effect, stable performance.3. Waterproof Connectors: Ensure maximum durability in all weather conditions, and high performance wires and waterproof connectors ensure a low failure rate in long term use.4. Universal on Both Sides: 30.5cm / 12.0in wire length, fitted with standard handlebars of 22.2mm / 8.7in diameter. 300X throttle shifter for bicycle lithium battery refit, common connector, universal on both sides.5. Anti Impact and Comfortable Shape: Anti impact, comfortable shape design for several thumb positions, it can be installed without removing the grip, and it can be installed quickly.Specification:Item Type: 300X Thumb ThrottleWeight: Approx.59g / 2.1ozMaterial: PC + ABSWorking Voltage: 5VOutput Voltage: 0.8-4.2VWaterproof Grade: IPX5Connector: Waterproof Connector (3Pin Female Head)Wire Length: Approx.30.5cm / 12.0inSuitable Handlebar Diameter: Approx.22.2mm / 0.9in.Package List:1 x 300X Thumb ThrottleNote:Note that the connector is female head, left and right universal throttle handle.