Features: Relay Contact Operating Load Up To 7 Amp Max. Compact Size And Mounting Holes Make It Easier For Installation. Remotely Turn On And Off For Any Dc12v Devices Such As Computer Lighting, Accessories, Auto Lighting Kits, Landscaping Lighting, Boat Lighting Or Other Electronic Applications. Each Remote Controller Has Its Own Code, So It Will Not Interfere With Other Similar Remote Controls.  Specifications: Input/Output Voltage: Dc12v Remote Control Range: 50m Operating Frequency: 315mhz Remote Control Battery: 1* 12V 23A Battery(battery included) Operating Instructions: 1. Selection Of Output Method: Long Press And Hold The Learning Button For About 2 Seconds, And The Learning Indicator Light Will Turn On From Off For About 6 Seconds. The Indicator Light Will Turn On From On To Off For About 8 Seconds. The Indicator Light Will Flash Once, For About 10 Seconds. The Indicator Light Will Flash Continuously Twice, For About 12 Seconds. The Indicator Light Will Flash Continuously Three Times. Release The Indicator Light Twice After Flashing Once, And Output The Jog Working Mode; Release Before Three Consecutive Flashes And Output Self-Locking Mode; After The Indicator Light Flashes Continuously Three Times, Release It And Output The Interlock Working Mode. 2. Code Matching: After Selecting The Relay Output Working Mode, Press And Hold The Learning Button Again Until The Indicator Light Changes From Off To On And Is Released. Press Any Button On The Remote Control, And The Indicator Light Will Flash Continuously Three Times, Indicating Successful Pairing. This Control Board Can Remember Up To 16 Remote Controls With Different Addresses. If More Than 16 Remote Controls Are Learned, It Will Automatically Overwrite The First Learned Remote Control. 3. Code Clearing: Press And Hold The Learning Button Until The Indicator Light Changes From On To Off And Releases, Indicating Successful Code Clearing. Package Included: 1 X Receiver 2 X Remote Controls