For A 12V Dc Single Acting Hydraulic Pump Power Supply Unit, A Dump Trailer With Product Details [Feature] 3 wire single acting hydraulic power unit 12V DC, small area, use widely, easy to carry. [Wide Use] Fits most single-acting hydraulic pumps power units. [Reasonable Design] 2-button pendant control is most commonly used as a dump trailer remote, which is built of a high-impact, highly visible plastic with a standard 15' cord. Powered by 12 volts DC, well constructed. High quality ABS material protective shell for long-term use. [Wire Connection] For 3 wires (single -acting) dump trailer control: Use wire with round metal head connect to lower valve. Use wire with circle connect to battery positive and starter. [Package Include] Comes with Mounting Holster +Magnetic Back + 3 Wires--Red (power) ,Black(down) ,Blue(start). Notice: If you have any problems,pls feel free to contact us. Payment We accept PayPal and credit cards via PayPal. Taxes - US We collect sales tax, as required by law. Shipping We make every effort of shipping within 3 business day of payment clearing. The estimated delivery time is 2 - 5 business days from the shipping date. Policies If you do need to return your item, please contact us via email (you will receive an email when your product ships with additional details - Subject: Important information about your purchase). You will then be provided with a return shipping label and packing slip. Pack the item carefully. Include the packing slip, apply the shipping label, and return the item within 30 business days of the date you request a return, or your return will be canceled. Once we receive your order we will inspect the return. Please allow up to 5 business days of receiving the returned item for your refund.