Operating voltage DC5V, receiver sensitivity is-98dB. 7 pin, VT, D3, D2, D1, D0, 5V, GND. VT is a valid signal is high output pin, upon receiving a valid signal, the output pin high, can also drive the relay.
Size: 6.6 * 22 * 41mm
C on the remote control has four buttons, each corresponding to the receiving board of the four data bits output pin D0, D1, D2, D3. Press the button to the transmitted signal, the corresponding data bit will output high.