Brake setting: brake enabled / brake disabled. Battery type: Li-xx(Li-ion or LiPo) / Ni-xx(NiMh or NiCd). Low voltage protection mode (cutoff mode): gradually reduce the output power / cutoff the output power. Low voltage cutoff protection threshold (cutoff threshold): low / medium / high. Start mode: normal / soft / very soft. Timing: low / medium / high. Reset: reset all the programmable items to their default settings. Full protection features: low voltage cutoff protection / over-heat protection / throttle signal lost protection. Due to different batches, the appearance, color, and printed words of the product , which does not affect its use. Colour:As Shown Material:plastic+metal Package Contents: 2 x Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.