Feature: 1. Strong Signals: With RF technology, the strong signal can control the receiver from anywhere within a reliable distance through wall, floors and doors. The maximum range can get ti 328 feet without obstacles. 2. Easy to Control: Multiple remote controls can be learned.And each button of each remote control can be learned. One remote controller can control multiple switches, or multiple remote controllers can control one switch. 3. Flexible Use: Stable and reliable performance, high receiving sensitivity. Comes with 2pcs remote controllers for more flexible use. 4. Wide in Utility: Mainly used in industrial control and security field, automotive electronics, such as automobile, lighting, motor, remote controller, wireless security alarm, wireless access alarm, wireless controller, etc. 5. Simple Operation: The 2pcs remote control enables convenient carrying, which will largely simplify the operation of the relay on and off. Specification: Item Type: Car Battery Disconnect Switch Material: Brass, ABS. Model: RL242 Rated Voltage: 12V DC Load Current: Between 200A Instantaneous Starting Current: 250A Contact Type: Normally Open Protective Features: Good Sealing Battery of Each Remote Control: 1 x 210mAh CR2032, shipped with built in battery. Application Fields: For RV, off road vehicle, multi-function vehicle, forklift, snowmobile, cart, electrician, electrical, etc. . Package List: 1 x Relay1 x Cable2 x Remote Control2 x Adapter1 x Protective Cover1 x Copper Pig Tail2 x Copper Piece2 x Standoff1 x User Manual Note: The working voltage of this product is DC12V. Please do not use DC24V on it. If you need to use it, please replace it with DC24V relay.