On Off Switch BEC 2 Pin Red Connectors Fitted with 2 pin connectors (BEC type) Wires are black and red. 1 end is female the other is male. Suitable for use with battery packs and receivers please check below measurements before ordering. Switch is light enough to be used inline or can be mounted to upper plate by the provided 2 screws (shown in picture). Measurements of switch Surface is 24mm long by 11mm wide Box is 15.5mm tall