1、Power Display: Electric bike twist throttle grip has indicator light with power display, intuitive, convenient, and accurate determination of remaining power. 2、48V Electric Bike Modification: This bike speed control handlebar grip is suitable for 48V electric bikes, modified bikes. Made of durable ABS materials, suitable for a long term use. 3、Color Wire Green wire is the grip for Hall signal wire, red wire is the grip positive 5v, black wire is the negative pole. 4、Wiring Methods: Blue wire to connect the controller electric door lock out wire, yellow wire to connect the controller electric door into the power positive pole. 5、Universal Battery Applicable: This accelerator grip is widely compatible for various batteries, does not distinguish between acid batteries, lithium batteries, water batteries, dry batteries, etc.