12Vdc Windshield Wiper Timer Car Motor 3-30 seconds Assembled Electronic Circuit : MXA041 This is assembled board to use in any car to control the speed of wiper, adjust from 3 seconds to 30 seconds. Technical information, Need 12Vdc Power Supply from car battery. Timer adjustable 3 to 30 seconds. LED indicator, 7A Relay PCB Size: 52.5mm x 61.5mm or 2.64 x 2.22