New Built-in Car Seat Heater Kit Fit 2 Seats 12V 27W Heating Pads Square HI/LO-Levels Dual Control Switch System For Toyota RVA4 Features: 1.Built-in car seat heater is installed between the seat cover and seat cushion to enhance driving comfort. 2.Using the heater in winter can reduce the power consumption of the air conditioner, not only save fuel, but also relieve the stuffy feeling of the air conditioner and help relieve driving fatigue. 3.Universal fit for most car seats in DC 12V systems, such as cars, SUVs, trucks, RVs, boats. 4. Seat heater kit with high and low temperature switching system, 1 switchessuitable for installing 2 seats. 5.Made of carbon fiber, heats up quickly, has a long service life, is safe and will not corrode or crack. Specification: Style of Pad 1: Carbon fiber haeting Pad Dimension(Unit): Approx. 53cm x 28cm (20.9'' x 11'') Style of Pad 1 : Alloy wire heating pad Dimension(Unit): Approx.48cm x 27cm (18.9'' x 10.6'') Switch Wire Length: 2.3M (90.5'') Power Rating: DC 12V, 27 3W Switch: HI/LO-Levels Dual Control Switch System Temperature range:35-55 c Replace the original reserved position: For Toyota RAV4 It is also suitable for installation in most otherDC12V c ars,such as SUV, truck, RV, boat Note: Please verify your seat covers are removable before purchase. Professional installation is highly recommended!!! Please DO NOT use on seats where the covers are fused to the foam. Package Included: 4 * Heater Pads 1 * Switch with Harness Car Seat Heater Description Part function description A. Red main line: Connect the battery positive B. Black main line: Connect the battery negative C. Red auxiliary line: Connect ACC key line positive OR Cigarette lighter positive D. Yellow auxiliary line: Connect the light line OR instrument panel line positive E. Switch control box F. Switch: Control 4 heating pads for 2 seats G. Wire Harness: Length 250cm/98 inch H. Fuse I. Thermostat: Temperature stabilization function