brand new and high quality Instructions: Momentary--press one button is working /ON. loosen your finger on the same button is stop/OFF .one channel switch need one buttons remote control Toggle--press one button for one for time is working/ON .press the same button again is stop/OFF .(one channel switch need one buttons remote control Latched--press one button is working/ON ,press another button is stop/OFF. ( one channel switchneed 2 buttons remote control ) 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 Wide Range Working Voltage DC3.7V 4.5V 5V 6V 9V 12V Max Load: 1A (have better Load less than 700mA) Quiescent Current: 7mA Relay Working Current: 20-30mA Working Mode: Momentary Toggle Latched adjustable Encoding Type: Learning Dot to add Transmitter Normally Open Port (NO), Common Port (COM), Normally Close Port (NC) Input: DC3.5V-12V Output: 0V Switching Value Frequency: 315MHz, 433MHz Color: As Pictures Shown Dimension: 2.4x1.1x0.7cm/ 0.94x0.43x0.28in 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 Receiver