ITEM NAME:KT-V12 Durable Pedal Assist Sensor 12 Signals Electric Bike PAS System Magnet Description: Dual hall detection elements with built-in magnet disk. Outputs 12 signals per revolution with fast power-assist response speed. Can automatically identify the positive rotation and the reverse rotation of the pedals. Durable and practical, with high sensitivity and stable signal. Convenient and quick Installation. Specification: Material: PC Color: Black Cable length: About 1m Connector type: SM Package includes: 1pc x Assist Sensor Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement..Outputs 12 signals per revolution with fast power-assist response speed. 1pc x Assist Sensor. Connector type: SM. Durable and practical, with high sensitivity and stable signal. Anyway we will try our best to avoid this kind of thing.