Specifications: _x000D_ Type: 1#: 433MHz Remote Control Transmitter; _x000D_ 2#: 433MHz Remote Receiver; _x000D_ 3#: 1 set of 433MHz Remote Control Transmitter + Receiver (Optional) _x000D_ _x000D_ 1. Transmitter _x000D_ Material: Plastic + Metal _x000D_ Buttons: 2 Buttons _x000D_ Working Voltage: DC12V _x000D_ Operating frequency: 433MHz _x000D_ Remote Control Distance: 20-200m _x000D_ Encode: Fixed code by soldering or EV1527 code _x000D_ _x000D_ 2. Receiver _x000D_ Material: Plastic + Metal _x000D_ 4.84.12.6cm/1.891.621.02in _x000D_ Working Voltage: AC220V _x000D_ Channel: 1CH _x000D_ Decode: Learning code (jog/Non-Latched, inter-lock/Latched ) _x000D_ Output Current: 10A _x000D_ Receiver Sensitivity: -105dBm _x000D_ Working temperature: -10+60 _x000D_ Output way: Momentary, Toggle, Latched, Adjustable _x000D_ Quantity: 1 Set (other accessories demo in the picture is not included) _x000D_ _x000D_ Package includes: _x000D_ 1#: 1 X 433MHz Remote Control Transmitter (including battery)(No retail package) _x000D_ or _x000D_ 2#: 1 X 433MHz Remote Receiver Module (including shell)(No retail package) _x000D_ or _x000D_ 3#: 1 X 433MHz Remote Control Transmitter (including battery)(No retail package) _x000D_ 1 X 433MHz Remote Receiver Module (including shell) _x000D_ (Package list depends on your order choice.) _x000D_ _x000D_ Working/output way: _x000D_ Jog/Non-Latched: _x000D_ - Press one button is Working /ON. _x000D_ - Loosen your finger on the same button is Stop/OFF. _x000D_ (One channel switch need one buttons remote control.) _x000D_ Self -lock/Self-Latched: _x000D_ - Press one button for one time is working/ON. _x000D_ - Press the same button again is stop/OFF. _x000D_ (One channel switch need one buttons remote control.) _x000D_ Inter-lock /Latched: _x000D_ - Press one button is working/ON. _x000D_ - Press another button is stop/OFF. _x000D_ (One channel switch need 2 buttons remote control.) _x000D_ _x000D_ Learning Method: _x000D_ Press the learning button 3 seconds, the indicator lights off, then you press any buttons of the remote control to transmitter signal, it means studying successfully when the indicator flash 3 times until the indicator light on. _x000D_ Remove code: _x000D_ Press the learning button about 8 seconds, the indicator turns on to off to on, it means the information that you keep have been removed successfully. _x000D_ _x000D_ Please notice that : _x000D_ Here is the 1* 1CH and 1* 2 buttons remote control. You can choose the all the working way that you can choose, you have better choose the Jog or self-lock, so all the buttons has been used.