Feature: Solenoid Relay compatible with Wireless Remote with two remote control. -cutting mounting bracket for easy installation into control box 2-TO-1 control, unique control code for each package .Come with power on-off switch, holding clip for usingisual and indicator light shows remote operation .Compatible with 8000lb-12000lb with DC 12V (series wound and permanent magnet) Come with shatterproof sealed and corrosion resistant case. Solid heavy duty constructed Come with Wireless Remote and Twin Remote Control with on-off switch & indicator light shows remote operation.Wireless control kit built-in antenna design, wireless control range max. 150ft Note: Each remote powered by 12V 23A battery, for safety reason, battery is not included in the package. install is highly recommended note that there is a circuit switch (like a seesaw) inside the product, so when you shake the relay, there is a voice inside, not by the loose in the wiring or any defective issue. Specifications: Condition: Color: Black Material: metal + plastic Operating Voltage: 12V DC Weight: 720g + 180g Solenoid Relay Size: Length: 3 15/64 inch (8.2cm) + Width: 2 inch (5.5cm) + Height: 3 5/16 inch (8.4cm) (As the Shown) Coil Rated Voltage: 6-110V DC --- Contact Circuit Voltage: 80V DC Operating Wattage: 15W Loading Current: Max. 250V AC 500A Environment temperature: -40C - 85C Frequency: 10Hz-200Hz Acceleration: less than 3.5g Speed: 60-100 per min Mechanical life: up to 100,000Ops --- Electrical life: up to 50,000Ops Operation Regulation: Continue Installation direction: Random Wireless Remote Control Kit Size: (As the Shown) Remote: Length: 4 9/64 inch (10.5cm) xWidth: 1 27/32 inch (4.7cm) Receiver: Length: 2 21/64 inch (5.9cm) x Width: 1 11/16 inch (4.3cm) Height: 15/16 inch (2.4cm) Fitment: Package Contents: 1 * 12V 500A electromagnetic relay 1 * 12V wireless receiver 2 * 12V wireless remote control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.