100% brand new and high quality Instructions: Working Way: Momentary: press one button is working /ON. loosen your finger on the same button is stop/OFF Toggle: press one button for one time is working/ON .press the same button again is stop/OFF . Latched: press button A is working/ON ,press button B is stop/OFF Delay time: Press remote control A button, the corresponding relay actuates and keeps working until the time out.(5S) Learn method: Input 12V for the Receiver, Connect the Learning Dot, The receiver Led indicator ON. Press remote button A 1 time, Led indicator flash for 1 times , Then Press remote button B 1 time , Led indicator flash for 1 times again , it mean learning successfully Clearing method: Connect the Learning Button. Until the receiver Led indicator flash for 5 times, it mean Clearing Code How to change working way : L: Connect the Learning Dot. Until the receiver Led indicator flash for 1 times, it mean Change L successfully. M: Connect the Learning Dot. Until the receiver Led indicator flash for 2 times, it mean Change M successfully. T: Connect the Learning Dot. Until the receiver Led indicator flash for 3 times, it mean Change T successfully. M4 Signal temporary: Connect the Learning Dot. Until the receiver Led indicator flash for 4 times, it mean Change Delay time successfully. Features: Small size, low power consumption, flexible operation, easy to install. Provide high signal sensitivity at lower cost and resist interference for excellent stability. Remote Control only, other accessories demo in the picture are not included! Specification: Material: Plastic Working Voltage: DC4V-24V Wide Range Working Voltage DC4V 4.5V 5V 6V 9V 12V 24V Max Load: 2A. Each relay 1A (have better Load less than 700mA) Quiescent Current: 7mA Relay Working Current: 1 Relay ON 50mA, 2 Relay on 100mA Working Mode: Momentary Latched adjustable Encoding Type: Learning Dot to add Transmitter Normally Open Port (NO), Common Port (COM), Normally Close Port (NC) Input: DC4V-24V Output: 0V Switching Value Frequency: 315MHz, 433MHz Color: As Pictures Shown Dimension: 2.2x2.1x1.1cm/ 0.87x0.83x0.43in Quantity: 1 Pc Note: 1.No retail package. 2.Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Switch Board